What was found
AIRCRAFT IN BASE MAINTENANCE: AFT LEFT EMERGENCY POWER SUPPLY UNIT FAULTING DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- July 11, 2026
- Submitted
- July 15, 2026
- Operation
- Air carrier
- Aircraft
- N740UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1265
- Aircraft time
- 66,589 hours, 40,483 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 2874
- Condition
- No Test
- Location
- Zone 200
- Part time
- 66,589 hours, 40,483 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.