What was found
DURING EMERGENCY LIGHTING TEST THE SIGNS AND LIGHTS POWERED BY POWER SUPPLY M33097 FAILED TO ILLUMINATE. REMOVED AND REPLACED POWER SUPPLY IAW AMM 33-51-06. OPERATIONAL CHECK NORMAL.
- Difficulty date
- November 14, 2016
- Submitted
- November 15, 2016
- Operation
- Air carrier
- Aircraft
- N796AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30796
- Aircraft time
- 64,663 hours, 8,193 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 6278
- Condition
- Faulty
- Location
- Emergency Lights
- Part time
- 30,292 hours, 8,294 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.