Commonwealth legislation

AD/S-76/27 - Main Rotor Blade Spar Tip End - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This directive requires owners/operators of Sikorsky S‑76 helicopters fitted with specified main rotor blade assemblies (listed P/Ns, except those marked RS‑004E‑II or RS‑004F‑II) to inspect the spar tip end using Sikorsky Alert Service Bulletin No. 76‑65‑34. The first inspection is due within 100 hours after 31 May 1983 and thereafter at each scheduled tip‑cap removal. It was issued after a spar‑tip crack was found and increases routine maintenance obligations and costs.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/S-76/27 - Main Rotor Blade Spar Tip End - Inspection.

AD/S-76/27 - Main Rotor Blade Spar Tip End - Inspection

meta-content-style-type: text/css meta-content-type: application/xhtml+xml; charset=utf-8 meta-generator: Aspose.Words for .NET 22.10.0

?xml version="1.0" encoding="utf-8" standalone="no"?>

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Sikorsky S-76 Series Helicopters

AD/S-76/27 Main Rotor Blade Spar Tip End - Inspection 5/83

Applicability: All models with main rotor blade assemblies P/N 76150-09000 and P/N 76150- 09100-041 thru -050, unless the blade assemblies are marked as RS-004E-II or RS- 004F-II.

Document: Sikorsky Alert Service Bulletin No. 76-65-34.

Compliance: Within 100 hours time in service after 31 May 1983 and thereafter at each scheduled tip cap removal.

Background: Cracks were detected at the spar tip end in one blade undergoing repair at Sikorsky Aircraft.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.