Service difficulty report · Battery · Boeing 777222

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
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.

What was found

L1 AFT EMERGENCY BATTERY PACK INOP. REPLACED EMERGENCY LIGHT BATTERY PACK AT L1 AFT POSITION, AS PER AMM33-51-06-960-802. OPS CHECKS GOOD, LOG CLEARED.