What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL BATTERY FAULT DURING SYSTEM TEST. MAINTENANCE REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 10WL AND ACCOMPLISHED A SATISFATORY OPERATIONAL CHECK.
- Difficulty date
- February 16, 2023
- Submitted
- February 16, 2023
- Operation
- Air carrier
- Aircraft
- N139AN
- Make and model
- Airbus A320*
- Aircraft serial
- 6687
- Aircraft time
- 22,544 hours, 8,797 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.