What was found
AIRCRAFT WAS NOT GROUNDED: FAULT EPSU BATTERY FWD L. DISPLAYED DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT (AALA202606305101) AND BATTERY (AALA202606305590) PER AMM 33-51-38.
- Difficulty date
- June 27, 2026
- Submitted
- June 30, 2026
- Operation
- Air carrier
- Aircraft
- N754UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1328
- Aircraft time
- 61,246 hours, 42,155 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- 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.