What was found
DURING HEAVY MAINTENANCE, PERFORMING AN OPS CHECK OF THE EMERGENCY LIGHTS, THE EPSU FAILED. REPLACED THE EPSU IAW AMM 33-51-38-400-001-A, REV 12. OPS CHECKED IAW AMM 33-51-38-740-050-B, REV 12
- Difficulty date
- February 13, 2018
- Submitted
- February 14, 2018
- Operation
- Air carrier
- Aircraft
- N968JT
- Make and model
- Airbus A321231
- Aircraft serial
- 7305
- Aircraft time
- 6,394 hours, 1,233 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 143955
- Condition
- Failed
- Location
- Emergency Light
- Part time
- 18,027 hours, 5,102 cycles
- 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.