- Difficulty date
- November 26, 2013
- Submitted
- December 2, 2013
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 27,773 hours, 8,341 cycles
- Part
- Oil System
- Condition
- Low
- Location
- Apu
- 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
MAINTENANCE BLUE LIGHT ILLUMINATED WHEN APU STARTED. ACFT GROUNDED. PERFORMED APU BITE TEST, FOUND FAULT CODE 49-91227 LOW OIL QTY FAULT. SERVICED APU OIL LEVEL TO FULL, LEAK CHECKED NORMAL. GROUND VERIFICATION OF APU, OPS CHECKED NORMAL.