What system should holders of a TC, RTC, STC, or other relevant approval under Part 21 with EDTO capability implement for EDTO-significant occurrences?

They should implement a specific tracking, reporting, and resolution system for EDTO-significant occurrences, suitable to ensure initial and continued fleet compliance with applicable EDTO reliability objectives, and part of the system for collection, investigation, and analysis of data required by point 21.A.3A(a).

AMC3 21.A.3A(a) Reporting system

Q: What should the EDTO tracking, reporting, and resolution system be suitable to ensure regarding fleet compliance?

It should be suitable to ensure the initial and continued fleet compliance with the applicable EDTO reliability objectives.

Q: Which document and edition should be referred to for the tracking, reporting, and resolution of EDTO-significant occurrences?

The latest edition of AMC 20‑6 of the 'General Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances' (AMC‑20).

Q: Does the EDTO tracking system need to be separate from the general data collection system required by 21.A.3A(a), or part of it?

It should be part of the system for the collection, investigation, and analysis of data required by point 21.A.3A(a).

Q: What is the purpose of the coordination between the engine TC holder, propeller TC holder, APU ETSO authorisation holder, and aircraft TC holder?

To ensure compliance with the EDTO reliability objectives.

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AMC3 21.A.3A(a) Reporting system

ED Decision 2022/021/R

COLLECTION, INVESTIGATION, AND ANALYSIS OF DATA RELATED TO EDTO-SIGNIFICANT OCCURRENCES

(a) Holders of a TC, an RTC, an STC, or any other relevant approval that is deemed to have been issued under Part 21 and includes extended diversion time operation (EDTO) capability should implement a specific tracking, reporting, and resolution system for EDTO-significant occurrences. That system should be suitable to ensure the initial and continued fleet compliance with the applicable EDTO reliability objectives, and be part of the system for the collection, investigation, and analysis of data, which is required by point 21.A.3A(a).

Appropriate coordination should exist between the engine TC holder, the propeller TC holder, the auxiliary power unit (APU) ETSO authorisation holder, and the aircraft TC holder, to ensure compliance with the EDTO reliability objectives.

(b) For the tracking, reporting, and resolution of EDTO-significant occurrences, refer to the latest edition of AMC 20‑6 of the ‘General Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances’ (AMC‑20).

Details

Source-Title: AMC3 21.A.3A(a) Reporting system View latest amendments

Erulesid: ERULES-1963177438-20278 Compare versions

Domain: Initial airworthiness

Amendedby: Issue 2, Amendment 14

Applicabilitydate: 7 March, 2023

Entryintoforcedate: 20 December, 2022

Regulatorysource: ED Decision 2022/021/R Navigate

Regulatorysubject: Part-21

Typeofcontent: AMC to IR (Acceptable means of compliance to implementing rule)

Origin: EASA

Category: EAR