What was found
AIRCRAFT WAS NOT GROUNDED: MID LEFT EMERGENCY POWER SUPPLY UNIT (15WL) SHOWING A UNIT FAULT DURING TEST OF EMERGENCY LIGHTS. REMOVED AND REPLACED MID LEFT EMERGENCY POWER SUPPLY UNIT (15WL) PER AMM 33-51-38.
- Difficulty date
- October 8, 2024
- Submitted
- October 9, 2024
- Operation
- Air carrier
- Aircraft
- N167US
- Make and model
- Airbus A321211
- Aircraft serial
- 1442
- Aircraft time
- 76,177 hours, 29,314 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145510
- Part serial
- 2124
- Condition
- No Test
- Location
- Zone 200
- Part time
- 66,960 hours, 25,358 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.