What was found
INTERMITTENT "APU DET INOP" CAUTION LIGHT ON FIRE CONTROL PANEL AND MASTER CAUTION. GROUNDED - YES. R/R APU TAILPIPE OVERHEAT DETECTOR ASSY M1925. REF B737-800 AMM 26-15-01. APU FIRE DETECTION OPS TEST GOOD.
- Difficulty date
- August 10, 2023
- Submitted
- August 11, 2023
- Operation
- Air carrier
- Aircraft
- N519AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 52,345 hours, 15,459 cycles
- System (JASC)
- 2613 · Overheat Detection
- Part
- Overheat Sensor
- Part number
- 90202001
- Condition
- Faulty
- Location
- Apu
- 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.