What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 11WL FAILS SYSTEM TEST. REPLACED POWER SUPPLY PER AMM 33-51-38-0401.
- Difficulty date
- September 22, 2021
- Submitted
- September 23, 2021
- Operation
- Air carrier
- Aircraft
- N988AL
- Make and model
- Airbus A321231
- Aircraft serial
- 7154
- Aircraft time
- 16,069 hours, 6,157 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 152272
- Condition
- Failed
- Location
- Zone 200 - Fuse
- 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.