What was found
AIRCRAFT WAS GROUNDED: WHILE PERFORMING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST, EMERGENCY POWER SUPPLY UNIT (13WL) AFT LEFT DID NOT PASS TEST. REPLACED EMERGENCY POWER SUPPLY UNIT.
- Difficulty date
- October 27, 2024
- Submitted
- October 28, 2024
- Operation
- Air carrier
- Aircraft
- N567UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5728
- Aircraft time
- 34,748 hours, 14,215 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 143334
- Condition
- No Test
- Location
- Zone 200
- Part time
- 34,739 hours, 14,213 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.