Service difficulty report · Battery · Boeing 777222

Difficulty date
February 19, 2025
Submitted
February 21, 2025
Operation
Air carrier
Aircraft
N795UA
Make and model
Boeing 777222
Aircraft serial
26927
Aircraft time
108,192 hours, 14,336 cycles
Part
Battery
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

DURING EMERGENCY LIGHT TEST IT WAS FOUND EMERGENCY EXIT SIGN DOES NOT COME ON DOOR 3 LEFT PERFORMED FIM TASK 33-51 TASK 803, REPLACED POWER SUPPLY AS REF TASK 33-51-06-960-803 AND BATTERY PACK AS REF TASK 33-51-06-960-802. AFTER EMERGENCY LIGHTS OPERATIONAL TEST AS REF TASK 33-51-00-710-801, SYSTEM OK, ACFT GOOD FOR FLIGHT.