Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
July 21, 2020
Submitted
July 24, 2020
Operation
Air carrier
Aircraft
N792AN
Make and model
Boeing 777223
Aircraft serial
30253
Aircraft time
78,392 hours, 9,941 cycles
Part
Battery Pack
Condition
Discharged
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 GROUNDED FOR SHORT TERM STORAGE: R4 DOOR EMERGENCY LIGHT BATTERY PACK M33408 DISCHARGED. REPLACED R4 EMERGENCY LIGHT BATTERY PACK PER AMM 33-51-06