What was found
APU PNEUMATIC AIR NOT WORKING. DEFERRED PER MEL 49-11-01-A. PERFORMED FIM FAULT TREE 49-11-987. FOUND P2 SENSOR FAILED. REMOVED AND REPLACED P2 SENSOR, TEST OK IAW AMM 49-61-04.
- Difficulty date
- May 20, 2024
- Submitted
- May 25, 2024
- Operation
- Air carrier
- Aircraft
- N566NC
- Make and model
- Boeing 7673BG
- Aircraft serial
- 30566
- Aircraft time
- 75,487 hours, 19,109 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Sensor
- Part number
- 38760354
- Part serial
- 923762
- Condition
- Failed
- Location
- Apu Pneumatic
- Part time
- 1,447 hours, 3,585 cycles
- Stage of operation
- NR
- 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.