What was found
AIRCRAFT NOT GROUNDED - EPSU (EMERGENCY POWER SUPPLY UNIT) 12WL FAULT, WHILE PERFORMING EPSU TEST. REMOVED AND REPLACED EPSU 12WL PER AMM 33-51-38, OPERATIONAL CHECK GOOD.
- Difficulty date
- June 11, 2020
- Submitted
- June 12, 2020
- Operation
- Air carrier
- Aircraft
- N401AN
- Make and model
- Airbus A321253N
- Aircraft serial
- 8701
- Aircraft time
- 3,274 hours, 957 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 162223
- Condition
- Faulty
- Location
- Cabin
- Part time
- 3,274 hours, 957 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.