Service difficulty report · Battery Pack · Boeing 7377BD

Difficulty date
March 15, 2023
Submitted
March 16, 2023
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
55,942 hours, 29,581 cycles
Part
Battery Pack
Condition
Failed
Location
Zn 200 Fus Top
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

EMERGENCY LIGHT BATTERY PACK FOR RH EMERGENCY OVERWING EXIT FAILED CHARGE TESTING<[01] REMOVED AND REPLACED RH OVERWING EMERGENCY EXIT LIGHTS BATTERY PACK PER AMM 33-51-06. OPS CHECK GOOD

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