AMC E 790 Rain and Hail Ingestion

• ED Decision 2007/015/R found in: CS-E Amdt 5 - Engines (Dec 2018)

AMC E 790 Rain and Hail Ingestion ED Decision 2007/015/R (1) For the purposes of interpreting the words ‘unacceptable mechanical damage’ and ‘unacceptable power or thrust loss' in [CS-E 790(a)(1)](#_DxCrossRefBm1371447599), (a)(2), (b) and (c), see paragraphs (5)(c)(vi), (5)(c)(vi)(A) and (B) in [AMC E 790(a)(2)](#_DxCrossRefBm1371447808). (2) For the purposes of interpreting the words ‘flameout, rundown, continued or non-recoverable surge or stall’ in [CS-E 790(a)(2)](#_DxCrossRefBm1371447599) and (b), see paragraphs (1) and (5)(c)(vi) in [AMC E 790(a)(2)](https://dxweb.easa.europa.eu/dx4/Topics/Cloned-2c5f426b-36a6-4dfc-920f-b190a51509cf.docx). (3) For the purposes of interpreting the words ‘sudden encounter’ in [CS-E 790(a)(2)](#_DxCrossRefBm1371447599) and the words ‘suddenly commencing’ in [CS-E 790(b)](#_DxCrossRefBm1371447599), see paragraphs (5)(c)(iv)(D) and (G) in [AMC E 790(a)(2)](#_DxCrossRefBm1371447808). (4) For the purposes of interpreting the words ‘rapid acceleration’ and ‘rapid deceleration’ in [CS-E 790(b)(2)](#_DxCrossRefBm1371447599) and (b)(4) should be interpreted as meaning a throttle movement in not more than one second. (5) If the Engine is certified under the assumption that the protection device considered under [CS-E 790(d)](#_DxCrossRefBm1371447599) is provided by the aircraft installation and if the compliance with [CS-E 790(a)](#_DxCrossRefBm1371447599) to (c) is waived, then the Engine approval would be endorsed accordingly and the Engine instructions for installation would need to impose the conditions of [CS-E 790(d)(1)](#_DxCrossRefBm1371447599) to (3) to the installation. [Amdt No: E/1]