What was found
APU FAILURE TO START. FAULT MESSAGE INLET TEMP SENSOR SHOWS SHORT. GROUNDED - YES. REMOVED AND REPLACED APU INLET TEMP SENSOR PER AMM 49-61-31. OPS TEST NORMAL.
- Difficulty date
- July 4, 2020
- Submitted
- July 6, 2020
- Operation
- Air carrier
- Aircraft
- N519AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 42,549 hours, 12,564 cycles
- System (JASC)
- 4970 · APU Indicating System
- Part
- Sensor
- Part number
- MS280341
- Condition
- Shorted
- Location
- Apu
- 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.