What was found
DURING EMERGENCY POWER SUPPLY UNIT TEST, A FAULT MESSAGE FOR THE EPSU 11WL EXT L. REPLACED THE POWER SUPPLY IAW AMM 33-51-38. OPS CHECKED GOOD. OK FOR SERVICE.
- Difficulty date
- June 15, 2018
- Submitted
- June 18, 2018
- Operation
- Air carrier
- Aircraft
- N906AA
- Make and model
- Airbus A321231
- Aircraft serial
- 7651
- Aircraft time
- 3,049 hours, 1,155 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- UNI1247
- Part serial
- 155161
- Condition
- No Test
- Location
- Emergency Light
- 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.