What was found
DURING CHECK, EMERGENCY LIGHT TEST REVEALED EMERGENCY POWER SUPPLY UNIT 10WL FAILED. REPLACED THE POWER SUPPLY IAW TSM 33-51-00-810-830, AND AMM 33-51-38. THE AIRCRAFT WAS GROUNDED.
- Difficulty date
- October 17, 2017
- Submitted
- October 23, 2017
- Operation
- Air carrier
- Aircraft
- N987AM
- Make and model
- Airbus A321231
- Aircraft serial
- 7079
- Aircraft time
- 3,503 hours, 1,372 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 34146210
- Part serial
- 151552
- 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.