Commonwealth legislation

AD/BN-2/23 Amdt 1 - Woodward Propeller Governor Drive Shaft - Inspection and Replacement

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires operators of Pilatus Britten‑Norman BN‑2 aeroplanes fitted with specific Woodward governors to inspect and, at defined life limits, remove and replace Woodward drive shafts P/N 210206. Inspections use magnetic particle or approved dye‑penetrant methods and recurring intervals and retirement hours are prescribed. The Civil Aviation Safety Authority mandates compliance; aircraft owners/operators pay for inspections, removals and replacements (Requirements 1–3; Compliance).

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/BN-2/23 Amdt 1 - Woodward Propeller Governor Drive Shaft - Inspection and Replacement.

AD/BN-2/23 Amdt 1 - Woodward Propeller Governor Drive Shaft - Inspection and Replacement

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source
Pilatus Britten-Norman BN-2 Series Aeroplanes

AD/BN-2/23

Amdt 1

Woodward Propeller Governor Drive NK Shaft - Inspection and Replacement

Applicability: All models fitted with Woodward Governor P/N 210275, F210444, 210655 or 210669.

Requirement: 1. Inspect governor drive shaft P/N 210206, not identified with letter “W” on the drive end, by magnetic particle or an approved dye penetrant method for cracking at the radially disposed slots adjacent to the drive splines.

N.B. Woodward SB 33538 details the field method of removing the shaft.

2. Retire from service governor drive shafts Woodward P/N 210206, not identified with letter “W” on drive end.

3. Retire from service governor drive shaft P/N 210206 identified with letter “W” on drive end.

REFERENCE DOCUMENTS: Britten Norman SB BN-2/SB.53 Issue 4 Woodward SBs 33538 and 33539C.

Compliance: 1. Initial inspection within 100 hours time in service after 31 March 1972 and thereafter at intervals not exceeding 200 hours time in service.

2. For shafts that have completed 1700 or more hours total time in service - within 100 hours time in service; for shafts that have completed less than 1700 hours total time in service - before achieving 1800 hours total time in service.

3. Before exceeding 4600 hours total time in service.

Source text

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

1 AD/BN-2/23 Amdt 1 - Woodward Propeller Governor Drive Shaft - Inspection and Replacement