Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
October 18, 2020
Submitted
October 21, 2020
Operation
Air carrier
Aircraft
N774AN
Make and model
Boeing 777223
Aircraft serial
29581
Aircraft time
85,308 hours, 10,502 cycles
Part
Battery Pack
Part number
285W0955102
Condition
Misinstalled
Location
Emergency Lights
Stage of operation
IN
How discovered
9
Nature of condition
W
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 GROUNDED. EPAS BATTERY PACK INSTALLED INCORRECTLY AT R1 DOOR. REINSTALLED BATTERY PACK, IAW AMM 52-11-20. OPERATIONS CHECK GOOD.