What was found
NR 1 ENG OVERHEAT DURING START UP. REMOVED AND REPLACED NR 1 ENGINE FAN LOWER FIRE DETECTOR ASSEMBLY IAW AMM 26-11-01. NO HELP. REMOVED AND REPLACED NR 1 ENGINE FAN UPPER FIRE DETECTOR IAW AMM 26-11-01. OPS CHKD GOOD.
- Difficulty date
- June 4, 2026
- Submitted
- June 9, 2026
- Operation
- Air carrier
- Aircraft
- N453WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29847
- Aircraft time
- 62,569 hours, 34,681 cycles
- System (JASC)
- 2612 · Fire Detection
- Part
- Fire Detector
- Condition
- Overheated
- Location
- Nr 1 Engine
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- M, J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.