What was found
AIRCRAFT WAS GROUNDED: MAINTENANCE FOUND EMERGENCY LIGHT WIRE BUNDLE NEXT TO EMERGENCY POWER SUPPLY UNIT 11WL HAD CHAFED WIRES. REPAIRED WIRES PER ESPM 20-53-21 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- June 29, 2025
- Submitted
- June 30, 2025
- Operation
- Air carrier
- Aircraft
- N558UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5282
- Aircraft time
- 39,092 hours, 16,263 cycles
- System (JASC)
- 3397 · Light System Wiring
- Part
- Wire
- Condition
- Chafed
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.