What was found
AIRCRAFT WAS NOT GROUNDED: FAULT EPSU INT LOAD FWD L DISPLAYED DURING SYSTEM TEST - REPLACED THE BATTERY FOR EMERGENCY POWER SUPPLY UNIT 10WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO FAULTS NOTED
- Difficulty date
- September 13, 2026
- Submitted
- September 16, 2026
- Operation
- Air carrier
- Aircraft
- N662AW
- Make and model
- Airbus A320232
- Aircraft serial
- 1274
- Aircraft time
- 83,194 hours, 35,317 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Fault Message
- 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.