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MODULE 6. MATERIALS AND HARDWARE
Available versions for ERULES-1963177438-589
Regulation (EU) 2023/989
found in: Continuing Airworthiness (1321/2014) Part-M Part-145 Part-66 Part-147 Part-T Part-ML Part-CAMO Part-CAO (Jul 2024)
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MODULE 6. MATERIALS AND HARDWARE Regulation (EU) 2023/989 <table border="1" cellpadding="0" cellspacing="0" width="606"><thead><tr><td colspan="3" rowspan="2" width="443"><p><b>MODULE 6. MATERIALS AND HARDWARE</b></p></td><td colspan="3" valign="top" width="163"><p><b>LEVEL</b></p></td></tr><tr><td valign="top" width="54"><p>A</p></td><td valign="top" width="54"><p>B1</p><p>B3</p></td><td valign="top" width="55"><p>B2</p><p>B2L</p></td></tr></thead><tr><td colspan="3" valign="top" width="443"><p>6.1 Aircraft materials — ferrous</p></td><td valign="top" width="54"></td><td valign="top" width="54"></td><td valign="top" width="55"></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(a) Alloy steels used in aircraft;</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(b) Testing of ferrous materials;</p></td><td valign="top" width="54"><p>—</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(c) Repair and inspection procedures.</p></td><td valign="top" width="54"><p>—</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.2 Aircraft materials — non-ferrous</p></td><td valign="top" width="54"></td><td valign="top" width="54"></td><td valign="top" width="55"></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(a) Characteristics;</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(b) Testing of non-ferrous materials;</p></td><td valign="top" width="54"><p>—</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(c) Repair and inspection procedures.</p></td><td valign="top" width="54"><p>—</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.3 Aircraft materials – composite and non-metallic</p></td><td valign="top" width="54"></td><td valign="top" width="54"></td><td valign="top" width="55"></td></tr><tr><td colspan="3" valign="top" width="443"><p> 6.3.1 Composite and non-metallic other than wood and fabric</p></td><td valign="top" width="54"></td><td valign="top" width="54"></td><td valign="top" width="55"></td></tr><tr><td colspan="2" valign="top" width="41"></td><td valign="top" width="402"><p>(a) Characteristics;</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td colspan="2" valign="top" width="41"></td><td valign="top" width="402"><p>(b) Detection of defects</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>—</p></td></tr><tr><td colspan="2" valign="top" width="41"></td><td valign="top" width="402"><p>(c) Repairs and inspection procedures.</p></td><td valign="top" width="54"><p>—</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.3.2 Wooden structures</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="55"><p>—</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.3.3 Fabric covering</p></td><td valign="top" width="54"><p>—</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="55"><p>—</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.4 Corrosion</p></td><td valign="top" width="54"></td><td valign="top" width="54"></td><td valign="top" width="55"></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(a) Chemical fundamentals;</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(b) Types of corrosion.</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="54"><p>3</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.5 Fasteners</p></td><td valign="top" width="54"></td><td valign="top" width="54"></td><td valign="top" width="55"></td></tr><tr><td colspan="3" valign="top" width="443"><p> 6.5.1 Screw threads</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td colspan="3" valign="top" width="443"><p> 6.5.2 Bolts, studs and screws</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td colspan="3" valign="top" width="443"><p> 6.5.3 Locking devices</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td colspan="3" valign="top" width="443"><p> 6.5.4 Aircraft rivets</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.6 Pipes and unions</p></td><td valign="top" width="54"></td><td valign="top" width="54"></td><td valign="top" width="55"></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(a) Identification;</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td valign="top" width="21"></td><td colspan="2" valign="top" width="422"><p>(b) Standard unions.</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.7 Springs</p></td><td valign="top" width="54"><p>—</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.8 Bearings</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.9 Transmissions</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.10 Control cables</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>1</p></td></tr><tr><td colspan="3" valign="top" width="443"><p>6.11 Electrical cables and connectors</p></td><td valign="top" width="54"><p>1</p></td><td valign="top" width="54"><p>2</p></td><td valign="top" width="55"><p>2</p></td></tr><tr height="0"></tr></table>
## MODULE 6. MATERIALS AND HARDWARE *Regulation (EU) 2023/989* <table bgcolor="#d9d9d9" cellpadding="7" cellspacing="0"> <colgroup> <col/> <col/> <col/> </colgroup> <colgroup> <col/> </colgroup> <colgroup> <col/> </colgroup> <colgroup> <col/> </colgroup> <thead> <tr> <td bgcolor="#808080" colspan="3" rowspan="2"><p align="center"> <b>MODULE 6. MATERIALS AND HARDWARE</b></p> </td> <td bgcolor="#808080" colspan="3" valign="top"><p align="center"> <b>LEVEL</b></p> </td> </tr> </thead> <thead> <tr valign="top"> <td bgcolor="#808080"><p align="center"> <b>A</b></p> </td> <td bgcolor="#808080"><p align="center"> <b>B1</b></p> <p align="center"><b>B3</b></p> </td> <td bgcolor="#808080"><p align="center"> <b>B2</b></p> <p align="center"><b>B2L</b></p> </td> </tr> </thead> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.1 Aircraft materials — ferrous</i></p> </td> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (a) Alloy steels used in aircraft;</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (b) Testing of ferrous materials;</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (c) Repair and inspection procedures.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.2 Aircraft materials — non-ferrous</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (a) Characteristics;</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (b) Testing of non-ferrous materials;</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (c) Repair and inspection procedures.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.3 Aircraft materials – composite and non-metallic</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.3.1 Composite and non-metallic other than wood and fabric</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="2"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p> (a) Characteristics;</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="2"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p> (b) Detection of defects</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="2"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p> (c) Repairs and inspection procedures.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.3.2 Wooden structures</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.3.3 Fabric covering</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.4 Corrosion</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (a) Chemical fundamentals;</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (b) Types of corrosion.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 3</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.5 Fasteners</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.5.1 Screw threads</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.5.2 Bolts, studs and screws</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.5.3 Locking devices</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.5.4 Aircraft rivets</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.6 Pipes and unions</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> <td bgcolor="#d9d9d9"><p align="center"> <br/> </p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (a) Identification;</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> <tr valign="top"> <td bgcolor="#d9d9d9"><p align="left"> <br/> </p> </td> <td bgcolor="#d9d9d9" colspan="2"><p> (b) Standard unions.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.7 Springs</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> —</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.8 Bearings</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.9 Transmissions</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.10 Control cables</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> </tr> </tbody> <tbody> <tr valign="top"> <td bgcolor="#d9d9d9" colspan="3"><p align="left"> <i>6.11 Electrical cables and connectors</i></p> </td> <td bgcolor="#d9d9d9"><p align="center"> 1</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> <td bgcolor="#d9d9d9"><p align="center"> 2</p> </td> </tr> </tbody> </table>