What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK EMER LT TEST, EPSU 12WL FAULTED. MAINTENANCE REPLACED EPSU 12WL BATTERY IAW AMM 33-51-38.
- Difficulty date
- August 12, 2025
- Submitted
- August 13, 2025
- Operation
- Air carrier
- Aircraft
- N778XF
- Make and model
- Airbus A319112
- Aircraft serial
- 4127
- Aircraft time
- 43,275 hours, 21,238 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- 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.