Federal Register of Legislation
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES
Robinson R22 Series Helicopters
AD/R22/34 Suspect Bolts 5/92 DM
Applicability: Model R22 with serial numbers 1880 through 2060, and 2073. Also any R22 which has been overhauled or repaired by RHC since 9 July 1991 and all R22 regardless of serial number for which maintenance was performed since 9 July 1991 in the locations where the suspect bolts may have been used.
Requirement: Action in accordance with Robinson SB No 69.
Note: FAA Telex AD 92-06-17 refers.
Compliance: Within 10 hours time in service after 26 March 1992 or by 9 April 1992, whichever occurs first.
Background: A Robinson Helicopter experienced a failure of an NAS1304-16 AF bolt installed in the tail rotor controls of an R22 helicopter. Examination indicated the bolt failed due to hydrogen embrittlement which occurred during cadmium plating. In-flight failure of this bolt could be catastrophic.
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