What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY 13WL FAILED SYSTEM TEST. MAINTENANCE REPLACED THE BATTERY FOR EMERGENCY POWER SUPPLY 13WL PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- March 4, 2023
- Submitted
- March 6, 2023
- Operation
- Air carrier
- Aircraft
- N549UW
- Make and model
- Airbus A320*
- Aircraft serial
- 4932
- Aircraft time
- 37,252 hours, 14,312 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- No Test
- Location
- Zone 200 - Fuse
- 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.