What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK FAULT EPSU INT LOAD AFT L ON EMERGENCY LIGHT TEST. PER TSM 33-51-00-810-807-A MAINTENANCE REPLACED EPSU BATTERY ON AFT EPSU, IAW AMM33-51-38.
- Difficulty date
- August 23, 2025
- Submitted
- August 25, 2025
- Operation
- Air carrier
- Aircraft
- N766US
- Make and model
- Airbus A319112
- Aircraft serial
- 1378
- Aircraft time
- 63,490 hours, 40,220 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Zone 200
- 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.