Service difficulty report · Battery Pack · Boeing 777300ER

Difficulty date
December 20, 2022
Submitted
December 21, 2022
Operation
Air carrier
Aircraft
N2331U
Make and model
Boeing 777300ER
Aircraft serial
62642
Aircraft time
23,883 hours, 2,647 cycles
Part
Battery Pack
Part number
D71701100
Part serial
424420
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

DR R4 EMER LIGHT BATTERY M33404 CAPACITY CHECK FAIL. DR R4 EMER LIGHT BATTERY M33404 BATTERY PACK REPLACED AND TESTED NORMAL IAW AMM 33-51-06.

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