What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHTS (EXIT SIGNS) AT DOOR 4R WOULD NOT TURN ON. MAINTENANCE REPLACED FORWARD POWER SUPPLY PER AMM 38-51-06 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- January 29, 2020
- Submitted
- January 30, 2020
- Operation
- Air carrier
- Aircraft
- N788AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30011
- Aircraft time
- 75,222 hours, 9,846 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 119355
- 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.