What was found
AFTER EPSU BATTERY REPLACEMENT, EPSU UNIT FAULT AT LEFT OVERWING EXIT REMOVED EPSU WITH UNIT FAULT, AT LEFT OVERWING EXIT, AND REPLACED WITH NEW. AMM 33-51-38. (FIN: 11WL) OPS CHECK OK, OK FOR SERVICE.
- Difficulty date
- December 11, 2025
- Submitted
- December 12, 2025
- Operation
- Air carrier
- Aircraft
- N477UA
- Make and model
- Airbus A320232
- Aircraft serial
- 1514
- Aircraft time
- 68,423 hours, 30,035 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 4332
- Condition
- Inoperative
- Location
- Zone 200
- Part time
- 774,115 hours, 731,846 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.