Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
June 24, 2017
Submitted
July 4, 2017
Operation
Air carrier
Aircraft
N799AN
Make and model
Boeing 777223
Aircraft serial
30258
Aircraft time
65,359 hours, 8,276 cycles
Part
Battery Pack
Part number
ADD71701100
Part serial
95283
Condition
Failed
Location
Cabin
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS IN BASE MAINTENANCE. L3 EMERGENCY POWER SUPPLY M33406 FAILED TEST. REMOVED AND REPLACED BATTERY PACK ASSEMBLY IAW AMM 33-51-06. OPERATIONAL CHECK GOOD.