What was found
FLT#2752, SJU-TPA. 'EMERGENCY POWER SUPPLY UNIT (13WL) FAILED SELF-TEST; REPLACED EPSU BATTERY IAW AMM 33-51-38.
- Difficulty date
- June 4, 2023
- Submitted
- June 5, 2023
- Operation
- Air carrier
- Aircraft
- N956JT
- Make and model
- Airbus A321231
- Aircraft serial
- 06791
- Aircraft time
- 27,515 hours, 8,862 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 873433
- Condition
- No Test
- Location
- 13wl-Batt
- Part time
- 5,900 hours, 2,041 cycles
- 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.