Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
April 20, 2021
Submitted
April 23, 2021
Operation
Air carrier
Aircraft
N785AN
Make and model
Boeing 777223
Aircraft serial
30005
Aircraft time
77,983 hours, 9,557 cycles
Part
Battery Pack
Part number
ADD71701100
Part serial
159089
Condition
Inoperative
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 IN BASE MAINTENANCE: L1 DOOR EMERGENCY LIGHTS INOPERATIVE. REPLACED 2EA BATTERY PACK (SEE ALSO AALA202104219021) WITH NEW IAW AMM 33-51-06, OPS CHECK GOOD.