Commonwealth legislation

AD/JETSTREAM/81 - Nose Wheel Steering Jack Seal Change

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires operators of British Aerospace Jetstream Series 200, 3100 and 3200 aircraft to modify the nose‑wheel steering jack by fitting an improved seal in accordance with specified service bulletins. The work must be done at the next scheduled overhaul but no later than 30 September 1999. The directive responds to reported seal deterioration that contaminated jacks and caused steering lock‑up, and mandates a seal change to prevent that failure.

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/JETSTREAM/81 - Nose Wheel Steering Jack Seal Change.

AD/JETSTREAM/81 - Nose Wheel Steering Jack Seal Change

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source
British Aerospace BAe 3100 (Jetstream) Series Aeroplanes

AD/JETSTREAM/81 Nose Wheel Steering Jack Seal Change 1/99

Applicability: All British Aerospace Regional Aircraft HP137 Mk 1 Jetstream Series 200, 3100 and 3200 series aircraft.

Requirement: Modify the nose wheel steering jack in accordance with British Aerospace Regional Aircraft Service Bulletin 32-JA900942 Revision 5 and the Landing Gear manufacturer’s Service Bulletin, APPH Limited SB32-51 Revision 5.

Note: UK CAA AD 003-09-98 dated 22 Oct 98 refers.

Compliance: At the next scheduled overhaul of the nose wheel steering jack but no later than 30 September 1999.

This Airworthiness Directive becomes effective on 28 January 1999.

Background: Following a recent serious incident it was discovered that the nose wheel steering jack seals were deteriorating and contaminating the jack to the extent of causing steering lock up. This Directive mandates the incorporation of a modified, improved seal to prevent steering jack lock up.

Source text

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

1 AD/JETSTREAM/81 - Nose Wheel Steering Jack Seal Change