What was found
L4 EMERGENCY BATTERY PACK INOP. REPLACED EMERGENCY LIGHT BATTERY PACK AT L4 POSITION, AS PER AMM33-51-06-960-802. OPS CHECKS GOOD, LOG CLEARED.
- Difficulty date
- September 17, 2020
- Submitted
- September 18, 2020
- Operation
- Air carrier
- Aircraft
- N786UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26938
- Aircraft time
- 97,926 hours, 13,241 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- ADD71701100
- Condition
- Inoperative
- 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.