Service difficulty report · Battery · Boeing 777222

Difficulty date
January 21, 2021
Submitted
January 22, 2021
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
96,170 hours, 16,782 cycles
Part
Battery
Part number
D71701100
Condition
No Test
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

PERFORM EMERGENCY LIGHT OPERATION CHECK FOUND BATTERY DOOR R3 M3 3404 INOPERABLE. REPLACED M33404 EMERGENCY LIGHT BATTERY PACK INSTALLATION TEST FOUND NORMAL AT DR R3M, REF AMM 33-51-06 -960-802 REV 90.