What was found
APU FAILED TO START AT FL 370 AND 330. ACFT GROUNDED. REPLACED INLET PRESSURE SENSOR IAW AMM 49-52-31-400-801, REPLACED INLET TEMP SENSOR IAW AMM 49-61-31-801.
- Difficulty date
- July 19, 2015
- Submitted
- July 22, 2015
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 34,159 hours, 10,185 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Sensor
- Part number
- MS280341
- Condition
- Failed
- Location
- Apu
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.