What was found
AIRCRAFT WAS GROUNDED: "EPSU UNIT EMER R" MESSAGE DISPLAYED DURING EMERGENCY LIGHTS CHECK. REPLACED BATTERY POWER SUPPLY AND BATTERY OPS CHECKS OK FOR SERVICE PER MM 33-51-38.
- Difficulty date
- May 13, 2025
- Submitted
- May 15, 2025
- Operation
- Air carrier
- Aircraft
- N112US
- Make and model
- Airbus A320214
- Aircraft serial
- 1134
- Aircraft time
- 66,123 hours, 38,552 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 2247
- Condition
- No Test
- 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.