Service difficulty report · Shutoff Valve · Boeing 76733A

Difficulty date
May 16, 2009
Submitted
May 18, 2009
Operation
Air carrier
Aircraft
N581HA
Make and model
Boeing 76733A
Aircraft serial
28141
Aircraft time
28,103 hours, 5,363 cycles
Engine
Pwa PW4060
Part
Shutoff Valve
Part number
7738577
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

ETOPS SIGNIFICANT SYSTEM, ATO, DUE TO HPSOV LIGHT AND EICAS MSG, ABORTED AT 40 KNTS NR 1 ENG. REPLACED HPSOV PER AMM 36-11-07. LEAK CK GOOD. PERFORMED ENG PWR RUN PER AMM 71-00-00 AND AR 767-36-001. TEST GOOD. NO LIGHTS, NO MSGS.

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