What was found
AFTER APU START, MAINTENANCE LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED APU BITE RECEIVED MAINTENANCE MESSAGE 49-91227 LOW OIL QTY. SERVICED APU OIL REF MM 12-13-31. VERIFIED APU BITE SHOWS OIL QTY FULL.
- Difficulty date
- September 12, 2013
- Submitted
- September 16, 2013
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 26,958 hours, 8,092 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil System
- Part number
- 38007021
- Part serial
- P5681
- Condition
- Low
- Location
- Apu
- Part time
- 19,699 hours, 24,620 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.