What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 14WL WILL NOT TEST. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 14WL PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- December 12, 2022
- Submitted
- December 13, 2022
- Operation
- Air carrier
- Aircraft
- N185UW
- Make and model
- Airbus A321211
- Aircraft serial
- 1666
- Aircraft time
- 67,697 hours, 25,892 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 3312
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- Part time
- 49,597 hours, 25,994 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.