Service difficulty report · Bypass Valve · Boeing 76733A

Difficulty date
July 8, 2009
Submitted
July 9, 2009
Operation
Air carrier
Aircraft
N582HA
Make and model
Boeing 76733A
Aircraft serial
28139
Aircraft time
28,073 hours, 5,394 cycles
Engine
Pwa PW4060
Part
Bypass Valve
Part number
7769501
Part serial
F27379
Condition
Leaking
Location
Nr 1 Engine
Part time
6,990 hours, 1,300 cycles
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ETOPS SIGNIFICANT SYSTEM - FOUND NR 1 ENGINE FUEL BYPASS VALVE LEAKING. REPLACED NR 1 ENGINE FUEL BYPASS VALVE PER AMM 73-11-07.LEAK CHECK GOOD.

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