What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL FAILS SYSTEM TEST. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 10WL (AALA202403152519) AND BATTERY (AALA202403158598). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.
- Difficulty date
- March 15, 2024
- Submitted
- March 15, 2024
- Operation
- Air carrier
- Aircraft
- N912UY
- Make and model
- Airbus A321231
- Aircraft serial
- 6264
- Aircraft time
- 30,749 hours, 12,547 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.