Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
November 25, 2018
Submitted
November 29, 2018
Operation
Air carrier
Aircraft
N771AN
Make and model
Boeing 777223
Aircraft serial
29579
Aircraft time
80,062 hours, 10,226 cycles
Part
Battery Pack
Part number
ADD71701
Part serial
140942
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.

What was found

CABIN EMERGENCY LIGHT BATTERY PACK M33405 WOULD NOT CHARGE. REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-802, AND PERFORMED SATISFACTORY OPERATIONAL CHECK IAW AMM 33-51-06-960-801.