What was found
EPSU TEST FAILED, EPSU BATTERY 11WL FAULT. THIS FAILURE WAS DURING OVERNIGHT MAINTENANCE AND DID NOT CAUSE A FLIGHT DELAY. REPLACED BATTERY EPSU 11WL. EPSU TEST PASS. AMM 33-51-3R-400-002-A./END/
- Difficulty date
- May 17, 2024
- Submitted
- May 17, 2024
- Operation
- Air carrier
- Aircraft
- N723FR
- Make and model
- Airbus A321211
- Aircraft serial
- 08640
- Aircraft time
- 15,510 hours, 6,861 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- No Test
- Location
- Emergency Lights
- 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.