Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
April 20, 2025
Submitted
April 22, 2025
Operation
Air carrier
Aircraft
N214UA
Make and model
Boeing 777222
Aircraft serial
30220
Aircraft time
77,352 hours, 16,510 cycles
Part
Battery Pack
Part number
ADD7171100
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

DR 2L M33099 EMER LIGHT BATTERY DEEP CYCLE PROCEDURE FAIL DR 2L M33099 EMER LIGHT BATT REPLACED AND TESTED NORMAL IAW AMM 33-51-06.