What was found
APU BLUE MAINT LIGHT ON. ACFT GROUNDED. APU HAS NO HISTORY FOR 30 DAYS AND SHOWS NO FAULTS. SERVICED APU OIL TO FULL BLUE MAINT LIGHT OFF.
- Difficulty date
- December 10, 2013
- Submitted
- December 12, 2013
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 2,949 hours, 929 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil System
- Condition
- Low
- Location
- Apu
- Part time
- 746 hours, 1,380 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.