Service difficulty report · Isolation Valve · Boeing 76733A

Difficulty date
January 16, 2008
Submitted
January 18, 2008
Operation
Air carrier
Aircraft
N582HA
Make and model
Boeing 76733A
Aircraft serial
28139
Aircraft time
22,135 hours, 4,301 cycles
Part
Isolation Valve
Condition
Open
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ETOPS SIGNIFICANT SYSTEM, NO APU BLEED AIR APU RUNS OK. OPERATED APU AIR. NO FAULTS NOTED. BLEED AIR PRESS NORMAL. OK FOR SERVICE. FOUND ISOLATION VALVE OPEN ON ARRIVAL.

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