Commonwealth legislation

AD/F28/58 - Main Frame - Flap Track Beam Support Bracket at Wing Station 5280

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive tells operators of certain Fokker F28 aeroplanes (serial numbers 11003–11241, 11991–11992) to carry out the inspections and corrective work specified in Fokker Service Bulletin F28-57-81 on the main frame flap-track beam support at wing station 5280. It requires completion before the aeroplane exceeds 20,000 flight cycles or 10,000 flight hours, or within 500 flight cycles if already above those thresholds as at 6 October 1988, to address discovered cracks and bolt seating defects.

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/F28/58 - Main Frame - Flap Track Beam Support Bracket at Wing Station 5280.

AD/F28/58 - Main Frame - Flap Track Beam Support Bracket at Wing Station 5280

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 Fokker F28 Series Aeroplanes

AD/F28/58 Main Frame - Flap Track Beam Support

Bracket at Wing Station 5280 Applicability: F28 Serial Numbers 11003 to 11241 inclusive, 11991 and 11992. Requirement: Action in accordance with Fokker SB F28-57-81.

Note: RLD AD 88-030 refers.

10/88

Compliance: 1. For aircraft with less than 20 000 flight cycles or 10 000 flight hours total time in service - Before exceeding 20 000 flight cycles or 10 000 flight hours total time in service whichever comes first.

For aircraft with more than 20 000 flight cycles or 10 000 flight hours total time in service at 6 October 1988 - within 500 flight cycles.

Background: As a result of fuel leakage, a crack was revealed in the rear spar web at W.S. 5280, possibly initiated at an unauthorised spot face in the rear spar web. Also bolt holes have been found not perpendicular to the rear spar causing bolt seating deficiencies.

Source text

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