Service difficulty report · Filter · Boeing 737890

Difficulty date
December 1, 2008
Submitted
December 3, 2008
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
9,602 hours, 2,844 cycles
Part
Filter
Condition
Unknown
Location
Apu Oil Cooler
Part time
60 hours, 14 cycles
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

JUST PRIOR TO PUSH APU LOW OIL PRESS LIGHT ON THEN APU SHUT OFF PERFORMED FIM TASK 49-60-00-810-801 MX MSG 49-91007 LOP 49-91005 HIGH OIL TEMP SHUTDOWN. PERFORMED FIM 49-90-00-810-803 FOR LOW OIL PRESS. REMOVED AND REPLACED LOW OIL PRESS SWITCH REF AMM 49 94 22 400 801 FIM 49-90-00-810-801 HIGH OIL TEMP. REMOVED AND REPLACED TEMP CONT VALVE OIL COOLER LUBE FILTER REF AMM 49-91-21-400-801-49-91 41-000-801 AND 49-91-21-400-802. APU OPERATIONAL AND LEAK CHECK GROUND OPERATION TEST PASSED REF 49-11-00-710-801. VERIFICATION FLIGHT SATISFACTORY .