Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
February 16, 2020
Submitted
February 17, 2020
Operation
Air carrier
Aircraft
N762AN
Make and model
Boeing 777223
Aircraft serial
31479
Aircraft time
72,532 hours, 8,685 cycles
Part
Battery Pack
Part number
ADD71701100
Part serial
195010
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

AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK, EMERGENCY LIGHTS TEST FAILED ON DOOR 4R. MAINTENANCE REPLACED BATTERY PACK ABOVE DOOR 4R PER AMM 33-51-06-960-802.