What was found
AIRCRAFT WAS NOT GROUNDED: AFT LEFT EMERGENCY POWER SUPPLY UNIT FAILS TEST. REPLACED BATTERY FOR THE AFT LEFT EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- June 12, 2023
- Submitted
- June 12, 2023
- Operation
- Air carrier
- Aircraft
- N724UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1122
- Aircraft time
- 62,741 hours, 37,797 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
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.