What was found
APU OIL LEVEL SHOWS CENSOR CIRCUIT FAILURE GROUNDED - YES. REMOVED AND REPLACED THE APU OIL LEVEL SENSOR. REF B737-9 AMM 49-94-11. LEAK CHECK GOOD. NO FAULTS NOTED. OPS CHECK GOOD.
- Difficulty date
- January 12, 2022
- Submitted
- January 19, 2022
- Operation
- Air carrier
- Aircraft
- N913AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44079
- Aircraft time
- 2,549 hours, 927 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Sensor
- Part number
- 38762983
- Part serial
- 1916222110942
- Condition
- Failed
- Location
- Apu
- Part time
- 1,484 hours, 1,000 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.