Service difficulty report · Battery Pack · Boeing 777212

Difficulty date
March 23, 2026
Submitted
March 27, 2026
Operation
Air carrier
Aircraft
N771KW
Make and model
Boeing 777212
Aircraft serial
28530
Aircraft time
55,146 hours, 13,381 cycles
Part
Battery Pack
Part number
ABS20131A
Condition
Inoperative
Location
Zone 200
Part time
250 hours, 300 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

FME REPORTED EMERGENCY OVER HEAD LIGHTS BETWEEN ROW 20-30 INOP ON L SIDE. XFERRED TO MEL 33-51-01 CAT "C" EXP. 2-APR-26 DMI# 771- 26-0052..23 MAR-26 LP 43474.T/S ON GOING.