Commonwealth legislation

AD/BO 105/3 - Tail Rotor Gearbox Attachment

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This directive requires operators of BO 105 helicopters serial number ≤780 to replace tail‑rotor gearbox bolts per MBB Alert Bulletin No. 28 because inspections found flaws in supplied bolts. Work must be done within 100 flight hours after 20 June 1986 or by 31 July 1986. It compels operators/maintenance organisations to schedule and bear the cost to mitigate a detected hardware defect.

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/BO 105/3 - Tail Rotor Gearbox Attachment.

AD/BO 105/3 - Tail Rotor Gearbox Attachment

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 Eurocopter BO 105 Series Helicopters

AD/BO 105/3 Tail Rotor Gearbox Attachment 7/86

Applicability: All model BO 105 up to and including S/No 780. Requirement: Action in accordance with MBB Alert Bulletin No. 28.

Compliance: Within 100 hours time in service after 20 June 1986 but no later than 31 July 1986.

Background: Inspection of bolts supplied to the manufacturer has revealed flaws necessitating the replacement of the existing bolts.

Source text

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