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Fri, Mar 07, 2003

AD: PZL-Wytwornia

AD NUMBER: 2003-05-01
MANUFACTURER: Fuel Pumps,Wytwornia
SUBJECT: Airworthiness Directive 2003-05-01
SUMMARY: This amendment supersedes an emergency airworthiness directive (AD) that was sent previously to all known U.S. owners and operators of WSK PZL-Rzeszow S.A. Franklin 6A-350-C1, -C1A, -C1L, -C2, -C2A, and 4A-235 series reciprocating engines. This action requires removing diaphragm type AC4886 fuel pump, AC part number (P/N) 5656774, PZL P/N 26.11.1710, before further flight, and prohibits installing diaphragm type AC4886 fuel pump, AC P/N 5656774, PZLP/N 26.11.1710. This amendment is prompted by several reports of failures of the valves and diaphragms in certain diaphragm type AC4886 fuel pumps, AC P/N 5656774, PZL P/N26.11.1710, and adds the 6A -350-C1R engine to the applicability. The actions specified by this AD are intended to prevent reduction or loss of engine power or external fuel leaks.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20030501

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