Service difficulty report · Battery · Boeing 777222

Difficulty date
May 30, 2024
Submitted
May 31, 2024
Operation
Air carrier
Aircraft
N214UA
Make and model
Boeing 777222
Aircraft serial
30220
Aircraft time
74,533 hours, 15,852 cycles
Part
Battery
Part number
ADD71701100
Part serial
181534
Condition
Discharged
Location
Emergency Lights
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

B777-33-3-7031 - CABIN - EMER PWR SUPPLY M33409 FUNCTION FAIL TRANSFER REFER NON-ROUTINE WO.3279759. EMER PWR SUPPLY BATTERY PACK M33409 REPLACED AND INSTALLA TION TEST CARRIED OUT WITH NORMAL RESULT AS PER AMM33-51-06