Service difficulty report · Battery Pack · Boeing 777224

Difficulty date
February 24, 2017
Submitted
February 25, 2017
Operation
Air carrier
Aircraft
N77006
Make and model
Boeing 777224
Aircraft serial
29476
Aircraft time
89,410 hours, 9,002 cycles
Part
Battery Pack
Part number
285W0955102
Part serial
1969
Condition
Discharged
Location
R4 Door
Part time
56,539 hours, 5,217 cycles
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

ON CHECK FOUND R4 EPAS BATTERY ELECTRICAL CHARGE OPERATIONAL CHECK FAILED. CHANGED R4 EPAS BATTERY PACK IAW AMM 52-11-20