Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
January 3, 2019
Submitted
January 4, 2019
Operation
Air carrier
Aircraft
N774AN
Make and model
Boeing 777223
Aircraft serial
29581
Aircraft time
80,009 hours, 9,779 cycles
Part
Battery Pack
Condition
Inoperative
Location
R4 Door Assist
Stage of operation
IN
How discovered
9
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

R4 DOOR EMERGENCY POWER ASSIST SYSTEM STATUS GREEN LIGHT WAS NOT ILLUMINATED. MAINTENANCE REPLACED ASSIST SYSTEM BATTERY PACK AND PERFORMED A SATISFACTORY OPERATIONAL CHECK IAW AMM 52-11-20-401.