What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 12WL INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT 12WL PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERARATIONAL CHECK WITH NO ISSUES NOTED.
- Difficulty date
- July 6, 2026
- Submitted
- July 9, 2026
- Operation
- Air carrier
- Aircraft
- N104NN
- Make and model
- Airbus A321231
- Aircraft serial
- 5895
- Aircraft time
- 43,356 hours, 8,721 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 144319
- Condition
- No Test
- Location
- Zone 200
- 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.