What was found
APU MAINT LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED APU BITE TEST FOUND LOW OIL QTY FAULT 49-91227. SERVICED APU OIL TO FULL, OPS CHECKS NORMAL.
- Difficulty date
- February 11, 2014
- Submitted
- February 14, 2014
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 1,197 hours, 385 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil System
- Condition
- Low
- Location
- Apu
- Part time
- 322 hours, 607 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.