Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
December 1, 2019
Submitted
December 4, 2019
Operation
Air carrier
Aircraft
N790AN
Make and model
Boeing 777223
Aircraft serial
30251
Aircraft time
76,596 hours, 9,794 cycles
Part
Battery Pack
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: EPAS BATTERY PACK AT DOOR 3R INOPERABLE. MAINTENANCE REPLACED EPAS BATTERY PACK PER AMM 52-11-20.