What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHTING EMERGENCY POWER SUPPLY UNIT FAILED TEST DURING PS CKECK 11WL. REMOVED AND REPLACED 11WL EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38.
- Difficulty date
- July 3, 2021
- Submitted
- July 7, 2021
- Operation
- Air carrier
- Aircraft
- N583UW
- Make and model
- Airbus A321231
- Aircraft serial
- 6181
- Aircraft time
- 22,707 hours, 8,918 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 146156
- Condition
- No Test
- Location
- Emergency Lights
- Part time
- 22,707 hours, 8,918 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.