What was found
DURING HEAVY MAINTENANCE, DONT PASS OPERATIONAL CHECK EPSU EMERGENCY POWER SUPPLY UNIT 10WL ; REF AEROMAN NR 2021-519331 WO 2021 343/1 BR & R EPSU FIN 10WL IAW AMM 33-51-38-00-001-A & AMM 33-51-34-400-001-A
- Difficulty date
- January 10, 2022
- Submitted
- February 25, 2022
- Operation
- Air carrier
- Aircraft
- N633JB
- Make and model
- Airbus A320232
- Aircraft serial
- 2671
- Aircraft time
- 61,087 hours, 21,794 cycles
- System (JASC)
- 2560 · Emergency Equipment
- Part
- Light
- Part number
- 321431
- Part serial
- 872066
- Condition
- Failed
- Location
- 10wl-Batt
- Part time
- 2,909 hours, 994 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.