What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY LIGHT OPERATIONAL TEST, FOUND EMERGENCY LIGHT BATTERY PACK DISCHARGED AT DOOR 4R. MAINTENANCE REPLACED EMERGENCY LIGHT ON BATTERY PACK PER AMM 33-51-06.
- Difficulty date
- December 7, 2019
- Submitted
- December 9, 2019
- Operation
- Air carrier
- Aircraft
- N783AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30004
- Aircraft time
- 80,613 hours, 9,647 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- 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.