Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
April 27, 2024
Submitted
April 29, 2024
Operation
Air carrier
Aircraft
N786AN
Make and model
Boeing 777223
Aircraft serial
30250
Aircraft time
91,648 hours, 11,536 cycles
Part
Battery Pack
Part number
D71700101
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 IN BASE MAINTENANCE: EMERGENCY LIGHTS FAILED OPERATIONAL TEST BY ENTRY DOOR L3. MAINTENANCE REPLACED EMERGENCY BATTERY PACK AT ENTRY DOOR L3 AND PERFORMED OPERATIONAL TEST IAW B777-2 AMM 33-51-06.