What was found
AIRCRAFT WAS NOT GROUNDED: 3 EMERGENCY POWER SUPPLY UNITS FAILED TEST. MAINTENANCE REPLACED 3 EMERGENCY POWER SUPPLY UNITS PER AMM 33-51-38.
- Difficulty date
- April 24, 2023
- Submitted
- April 27, 2023
- Operation
- Air carrier
- Aircraft
- N553UW
- Make and model
- Airbus A320*
- Aircraft serial
- 4960
- Aircraft time
- 36,063 hours, 13,916 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- No Test
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.