Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
May 24, 2026
Submitted
May 26, 2026
Operation
Air carrier
Aircraft
N718AN
Make and model
Boeing 777323ER
Aircraft serial
41665
Aircraft time
48,088 hours, 5,598 cycles
Part
Battery Pack
Part number
D71702030
Condition
Discharged
Location
Zone 200
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

AIRCRAFT IN BASE MAINTENANCE: M7 GLY EMER LT, DR 4 PARTITION EMER LT, DR 4L FWD EXIT IDENTIFIER LT AND BATTERY PACK (M33400) VOLTAGE POWER FOUND LOW. BATTERY PACK (M33400) REPLACED AND CHECKED FOUND NORMAL IAW AMM 33-51-06 REV 262 APR 23, 2026. M7 GLY EMER LT, DR 4 PARTITIONEMER LT, DR 4L FWD EXIT IDENTIFIER LT ILLUMINATION CHECKED FOUND NORMAL. IAW AMM 33-51-00 REV 262 APR 23, 2026.