Commonwealth legislation

AD/TB20/11 - Hydraulic Brake Line Clearance

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires owners/operators of specified Socata TB20/TB21 aeroplanes (listed serial numbers) to follow Aerospatiale Socata Service Bulletin No. 33 to inspect and correct cockpit hydraulic brake‑line clearance to prevent contact with aileron and rudder control rods. The Civil Aviation Safety Authority mandates compliance within 100 flight hours or at the next scheduled maintenance inspection after 30 October 1987. Aircraft owners/operators pay for and arrange the inspection or modification; CASA enforces the requirement.

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AD/TB20/11 - Hydraulic Brake Line Clearance

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Aerospatiale (Socata) TB20 (Trinidad) Series Aeroplanes

AD/TB20/11 Hydraulic Brake Line Clearance 11/87

Applicability: All model TB20 and TB21 up to S/No 755 inclusive, except S/Nos 630, 631, 634, 636, 643, 648, 649, 656, 657, 658, 659, 661, 662, 663, 664, 750, 751, 752 and 753.

Requirement: Action in accordance with Aerospatiale Socata SB No 33.

Note: Bureau Veritas AD 87-118(A) refers.

Compliance: Within 100 hours time in service or at the next scheduled inspection for maintenance release issue after 30 October 1987 whichever is the earlier.

Background: The manufacturer has reported instances of the cockpit hydraulic brake lines being damaged by the aileron and rudder control rods.

Source text

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