Federal Register of Legislation
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES
Eurocopter AS 355 (Twin Ecureuil) Series Helicopters
AD/AS 355/10 Amdt 4
Main Rotor Mast 5/88
Applicability: All models with main rotor masts P/N 350A37.1076.04, .05 or .06.
Requirement: 1. (a) Perform the visual check and if necessary, the dye penetrant/inspection called for in Aerospatiale SB 05-08 Rev 2 para's C(1) and C(2).
(b) Protect any reworked surfaces in accordance with Aerospatiale SB 05-08 Rev 2 para C(3).
2. Aerospatiale SB 05-08 Rev 2.
Note 1: Magnetic particle inspection may be carried out in lieu of dye penetrant and is the preferred technique.
Note 2: Bureau Veritas AD 85-94-25(b) and Bureau Veritas AD 83-174-20(b) refer.
Compliance: 1. Within 10 hours time in service after 30 November 1985, unless already accomplished.
2. As detailed in the Requirement Document - Aerospatiale SB 05-08 Rev 2 para D.
Background: A fatigue crack initiated from an undetected corrosion pit on an overseas operated helicopter, and propagated to a critical size in 170 hours time in service. This AD has been amended in accordance with the requirement of Bureau Veritas AD 85-94-25(B) which requires a one time 10 hour inspection of the main rotor shaft. The requirements of Bureau Veritas AD 85-94-25(B) supplement those of Bureau Veritas AD 83-174-20(b), which were noted in the previous issue of this AD. This Amendment incorporates Revision 2 of the Service Bulletin.
We try to embed the page this law was scraped from. If the site blocks framing, you still get the link and a local excerpt.
Last checked with source on —
Checking whether the official page can be embedded…
Plain-English simplify of this law: a short summary, key points, and both sides of the argument. Generated on first view via Replicate, then cached. Vote on what helps your study.
No study brief is cached for this law yet. Sign up to generate a plain-English brief.
Sign up to generate