What was found
APU FAULT LIGHT ILLUMINATED AFTER APU SHUTDOWN. ACFT GROUNDED. FOUND MESSAGE 49-61223, TROUBLESHOT IAW FIM 49-60, TASK 812, REMOVED AND REPLACED INLET TEMP SENSOR IAW AMM 49-61-31, OPS CHECK NORMAL. APU STARTED SUCCESSFULLY 3 TIMES.
- Difficulty date
- May 27, 2017
- Submitted
- May 30, 2017
- Operation
- Air carrier
- Aircraft
- N479AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60576
- Aircraft time
- 7,475 hours, 2,511 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Sensor
- Part number
- MS280341
- Condition
- Faulted
- Location
- Apu Inlet Temp
- 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.