What was found
WHILE COMPLETING TC-335100-03-001, EMERGENCY POWER SUPPLY UNIT AT FIN-12WL FAILED DURING TEST. / REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT LOCATED AT FIN-12WL IAW AMM 33-51-38, OPS CHECK GOOD."
- Difficulty date
- February 8, 2022
- Submitted
- February 9, 2022
- Operation
- Air carrier
- Aircraft
- N254NV
- Make and model
- Airbus A320214
- Aircraft serial
- 7913
- Aircraft time
- 11,125 hours, 6,032 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Epsu
- Part number
- 321431
- Part serial
- 865853
- Condition
- None
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- P
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.