What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 10WL BITE TEST SHOWS UNIT FAULT - REPLACED EMERGENCY POWER SUPPLY UNIT 10WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK
- Difficulty date
- October 21, 2026
- Submitted
- October 26, 2026
- Operation
- Air carrier
- Aircraft
- N120EE
- Make and model
- Airbus A321231
- Aircraft serial
- 6227
- Aircraft time
- 37,811 hours, 12,945 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 146835
- Condition
- Fault Message
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.