What was found
AIRCRAFT IN BASE MAINTENANCE: FAULTY EMERGENCY POWER SUPPLY UNIT 14WL IN PASSENGER CABIN. REPLACED EMERGENCY POWER SUPPLY UNIT 14WL IAW AMM 33-51-38-400-001-A.
- Difficulty date
- July 17, 2021
- Submitted
- July 19, 2021
- Operation
- Air carrier
- Aircraft
- N524UW
- Make and model
- Airbus A321231
- Aircraft serial
- 3977
- Aircraft time
- 41,061 hours, 14,958 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 132544
- Condition
- Faulty
- Location
- Zone 200 - Fuse
- Part time
- 41,061 hours, 14,958 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.