- Difficulty date
- September 3, 2023
- Submitted
- September 5, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 37,766 hours, 11,969 cycles
- Part
- Sensor
- Part number
- MS280343
- Condition
- Faulty
- Location
- Apu Oil Temp
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAULT LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED APU OIL TEMP. SENSOR REF. AMM 49-94-21. OPS CHECK GOOD. LEAK CHECK GOOD. RAN APU BITE, NO FAULT FOUND. OIL TEMP REMAIN 88' C UNDER LOAD. THIS CLEAR MEL 49-1B. SEAMC SCOTT NOTIFIED.