Service difficulty report · Bypass Valve · Boeing 76733A

Difficulty date
November 25, 2008
Submitted
November 26, 2008
Operation
Air carrier
Aircraft
N581HA
Make and model
Boeing 76733A
Aircraft serial
28141
Aircraft time
26,087 hours, 5,013 cycles
Part
Bypass Valve
Part number
1589353
Part serial
1033376
Condition
Malfunctioned
Location
Oil Cooler
Stage of operation
TX
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 - BTB - APU SHUTDOWN ON TOW OUT. BITE CK ECU FOUND OIL TEMP HOT FAULT. REPLACED OIL COOLER BYPASS VALVE PER MM49-27-10 REF FIM 49-11-00.

More about the Boeing 767-33A