What was found
EPSU UNIT EMER L FAULT UPDATDED LOG WITH SDR REPORTING DUE TO BEING EMERGENCY LIGHTS SYSTEM REF GMM 04-20-16. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT AND BATTERY IAW AMM 33-51-38. OPS CHECK GOOD NO DEFECTS NOTED. NO FAULTS.
- Difficulty date
- July 24, 2025
- Submitted
- July 25, 2025
- Operation
- Air carrier
- Aircraft
- N439UA
- Make and model
- Airbus A320232
- Aircraft serial
- 683
- Aircraft time
- 83,238 hours, 34,036 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 1598
- Condition
- Inoperative
- Location
- Zone 200
- Part time
- 779,346 hours, 733,045 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.