What was found
AIRCRAFT WAS GROUNDED: WHILE ACCOMPLISHING PS CHECK FOUND CLASS 1 FAULT ON EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FOR EMERGENCY POWER SUPPLY UNIT FIN 12WL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT FIN 12WL PER AMM 33-51-28.
- Difficulty date
- January 27, 2022
- Submitted
- January 27, 2022
- Operation
- Air carrier
- Aircraft
- N524UW
- Make and model
- Airbus A300*
- Aircraft serial
- 3977
- Aircraft time
- 42,661 hours, 15,620 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 132541
- Condition
- None
- Location
- Zone 200 - Fuse
- Part time
- 42,661 hours, 15,620 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.