Service difficulty report · Battery Pack · Boeing 7377K9

Difficulty date
January 4, 2023
Submitted
January 5, 2023
Operation
Air carrier
Aircraft
N7878A
Make and model
Boeing 7377K9
Aircraft serial
34320
Aircraft time
53,020 hours, 26,479 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

FWD LEFT SIDE EMERGENCY LIGHT BATTERY FAILED CAPACITY TEST. REMOVED AND REPLACED FWD LEFT SIDE EMERGENCY LIGHT BATTERY POWER SUPPLY IAW AMM 33-51-06. OK FOR SVC.

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