What was found
EMERGENCY SUPPLY POWER 10WL FAILED DURING OPERATIONAL TEST. REPLACED THE EPSU AND BATTERY IAW AMM 33-51-38.
- Difficulty date
- May 30, 2018
- Submitted
- June 1, 2018
- Operation
- Air carrier
- Aircraft
- N164NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6909
- Aircraft time
- 6,437 hours, 2,413 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- UNI1247
- Part serial
- 150249
- Condition
- No Test
- Location
- Emergency Lights
- 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.