Commonwealth legislation

AD/B767/32 - Ram Air Turbine

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Requires operators of Boeing 767 aeroplanes (line numbers 1–220) to inspect and, if necessary, replace the ram air turbine (RAT) ground checkout module and possibly the RAT hydraulic pump per Boeing Service Bulletin 767‑29A0035 (Rev 1 or 2). Compliance is at the next scheduled “C” check or by 28 February 1991. The measure aims to prevent hydraulic-pump damage from filter‑screen fragments so the RAT will supply hydraulic power after a dual‑engine loss.

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AD/B767/32 - Ram Air Turbine

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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 Boeing 767 Series Aeroplanes

AD/B767/32 Ram Air Turbine 2/90

Applicability: Model 767 series with line position number 1 through 220.

Requirement: Action in accordance with Boeing Service Bulletin 767-29A0035 Revision 1 or Revision 2.

Note: FAA AD 89-23-02 Amdt 39-6373 refers.

Compliance: At next scheduled “C” check or prior to 28 February 1991 whichever occurs first.

Background: Ram air turbine hydraulic pumps have been damaged by filter screen fragments from the ground checkout module orifice plug. This AD requires inspection and replacement of the ram air turbine ground checkout module and possible replacement of the RAT hydraulic pump. An operable RAT hydraulic pump will ensure that hydraulic power is available should a dual engine loss occur.

Source text

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