SDR ASAA2012071492543

Service difficulty report · Oil System · Boeing 737890

Difficulty date: July 1, 2012
Submitted: July 17, 2012
Operation: Air carrier
Aircraft: N530AS
Make and model: Boeing 737890
Aircraft serial: 36578
Aircraft time: 8,976 hours, 2,785 cycles
Engine: Cfmint CFM567B273
System (JASC): 4990 · APU Oil System
Part: Oil System
Condition: Low
Location: Apu
Component: Apu
Component part number: 38007021
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

APU MAINTENANCE LIGHT CAME ON AFTER APU START. ACFT GROUNDED. PERFORMED FIM TASK 49-60-00-810-801. FOUND NO FAILURES IN CURRENT STATUS & FAULT HISTORY. FOUND MAINT MESSAGE 49-91227 LOW OIL QTY IN MAINT HISTORY. PERFORMED FIM TASK 49-90-00-810-804. SERVICED APU OIL. RAN BITE TEST. NO FAULTS/MESSAGES NOTED. RAN APU SEVERAL TIMES & NO MAINT LIGHT ILLUMINATED.