Service difficulty report · Battery · Boeing 777222

Difficulty date
May 12, 2017
Submitted
May 12, 2017
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
84,013 hours, 11,437 cycles
Part
Battery
Part number
ADD71701100
Part serial
7189R
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

DURING AN EMERGENCY LIGHT OPS TEST, FOUND THE R4 DOOR M33408 BATTERY INOPERATIVE. REPLACED THE BATTERY AND CARRIED OUT AN OPS TESTED NORMAL IAW AMM 33-51-00-710-801M REV 79.