What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT FAILED TO TEST AT 4R DURING PS CHECK. MAINTENANCE REPLACED POWER SUPPLY PER AMM 33-51-06.
- Difficulty date
- August 9, 2019
- Submitted
- August 12, 2019
- Operation
- Air carrier
- Aircraft
- N783AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30004
- Aircraft time
- 79,325 hours, 9,472 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- 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.