Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
May 6, 2022
Submitted
May 9, 2022
Operation
Air carrier
Aircraft
N789AN
Make and model
Boeing 777223
Aircraft serial
30252
Aircraft time
82,437 hours, 10,706 cycles
Part
Battery Pack
Part number
ADD71701100
Part serial
190630
Condition
Inoperative
Location
Zone 200 - Fuse
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: EMERGENCY LIGHT AT DOOR 2L INOPERATIVE. REPLACED EMERGENCY LIGHT POWER SUPPLY BATTERY PACK M33099 PER AMM 33-51-06. OPERATIONAL TEST GOOD.