Service difficulty report · Battery · Boeing 777300ER

Difficulty date
January 28, 2023
Submitted
January 30, 2023
Operation
Air carrier
Aircraft
N2333U
Make and model
Boeing 777300ER
Aircraft serial
62644
Aircraft time
24,486 hours, 2,725 cycles
Part
Battery
Part number
D71701100
Part serial
425822
Condition
Weak
Location
Emergency Lights
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SUPPORT TASK DR L4 M33405 POWER SUPPLY FOUND BATTERY WEAK. DR L4 M33405 EMER LIGHT BATTERY REPLACED AND TESTED NORMAL AS PER AMM33-51-06.

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