Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
January 22, 2025
Submitted
January 23, 2025
Operation
Air carrier
Aircraft
N775UA
Make and model
Boeing 777222
Aircraft serial
26947
Aircraft time
104,339 hours, 18,766 cycles
Part
Battery Pack
Part number
ADD71701100
Condition
No Test
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

EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - R2 DOOR FWD EMERGENCY EXIT IDENTIFIER SIGN AND ASSOCIATED AISLE PATH EMERGENCY LIGHTS INOP PERFORMED EMERGENCY BATTERY PACK CHARGING PROCEDURE FOR 90 MINUTES REF AMM SUBTASK 33-51-00-860-004. BATTERY WILL ONLY REMAIN OPERATIONAL FOR A FEW MINUTES AFTER A CHARGE. NEED REPLACEMENT BATTERY P/N AD-D717-01-100 BATTERY LOCATED AT POWER SUPPLY M33097 ABOVE R2 DOOR REPLACED BATTERY PER AMM 33-51-06-960-802 CK OK