What was found
AIRCRAFT WAS NOT GROUNDED: MID LEFT HAND FORWARD EMERGENCY POWER SUPPLY UNIT FAULT DISPLAYED DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- April 7, 2025
- Submitted
- April 8, 2025
- Operation
- Air carrier
- Aircraft
- N187US
- Make and model
- Airbus A321211
- Aircraft serial
- 1704
- Aircraft time
- 74,411 hours, 28,959 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 3102
- Condition
- No Test
- Location
- Zone 200
- Part time
- 71,644 hours, 27,815 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.