Commonwealth legislation

AD/F50/36 - Alternate Brake System Cables

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

What it does: Requires operators of Fokker F27 Mark 50 aeroplanes (serial nos. 20103–20181) to inspect and, where necessary, modify alternate brake system cables in accordance with Fokker Service Bulletin F50‑32‑006 Rev 1. Who it affects and why it matters: Aircraft operators pay for inspections, recurrent checks and any pulley replacement specified as terminating action; the measure responds to reported excessive cable wear attributed to small pulley radii and vibration. (See Applicability; Requirement; Compliance; Background.)

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Current sections

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AD/F50/36 - Alternate Brake System Cables

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Fokker F50 (F27 Mk 50) Series Aeroplanes

AD/F50/36 Alternate Brake System Cables 9/90

Applicability: F27 Mark 50 aircraft with S/Nos 20103 through 20181. Requirement: Action in accordance with Fokker SB F50-32-006 Rev 1.

Note 1: RLD BLA 89-063 Issue 2 refers.

Note 2: Compliance with Part 2 of the Requirement document is considered terminating action for this Directive.

Compliance: Unless already carried out in the 900 hours time in service prior to 6 September 1990

- Prior to exceeding 100 hours time in service after 6 September 1990 or at the next scheduled inspection for issue of Maintenance Release after 6 September 1990, whichever occurs later, and thereafter at intervals not exceeding 1000 hours time in service, until terminating action is carried out.

Background: Country of origin AD. Excessive cable wear has been experienced which is attributed to a too small pulley radius, cable vibrations and perhaps more frequent use of alternate brakes. Terminating action replaces pulleys.

Source text

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

1 AD/F50/36 - Alternate Brake System Cables