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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
Amendment 39-573; AD 67-32-01
Airworthiness Directives; BRITISH AIRCRAFT CORP Model BAC 1-11 Series Airplanes
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Preamble Information
AGENCY: Federal Aviation Administration, DOT
DATES: Effective May 2, 1968.
Regulatory Information
67-32-01 BRITISH AIRCRAFT CORP: Amendment 39-573. Applies to BAC 1-11 Airplanes Model/Type 212AR, 401AK, 410AQ, which have a center fuel tank fitted with Thompson Ramo fuel pumps P/N 248800/4, P/N 248800/5 or pumps manufactured under license by Plessey which include additional part number 570/1/21221/004.
Amendment 39-522 (32 F.R. 17515), AD 67-32-1, is amended.
Compliance required as indicated.
To prevent fuel pump movement and consequent fuel leakage, accomplish the following:
(a) Within the next 200 hours' time in service after the effective date of this AD, unless already accomplished, inspect the center tank fuel pump installation in accordance with BAC 1-11 Alert Service Bulletin 28-A-PM 2701, Issue 2, or later ARB-approved issue, or FAA- approved equivalent.
(b) If leaks are found when conducting the inspection required by paragraph (a), before further flight stop the leaks by repositioning the fuel booster pump and, if necessary, replacing the seals between the pump and canister.
(c) Within the next 1,000 hours' time in service after the effective date of this AD, modify the center tank fuel booster pumps in accordance with British Aircraft Corporation Service Bulletin No. 28-PM 2701 or later ARB-approved issue, or an equivalent approved by the Chief, Aircraft Certification Staff, European Region.
This amendment becomes effective May 2, 1968.
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