What was found
APU DET INOP. GROUNDED - YES. TROUBLESHOT IAW B737-900 FIM 26-10 TASK 801. BITE PROCEDURE INDICATED APU TAILPIPE DETECTOR FAULT. REMOVED AND REPLACED APU TAILPIPE OVERHEAT DETECTOR IAW B737-900 AMM 26-15-01.
- Difficulty date
- February 2, 2023
- Submitted
- February 4, 2023
- Operation
- Air carrier
- Aircraft
- N487AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44108
- Aircraft time
- 27,017 hours, 8,327 cycles
- System (JASC)
- 2610 · Detection System
- Part
- Detector
- Part number
- 90202001
- Condition
- Inoperative
- Location
- Apu Cowl Door
- 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.