Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 6, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Battery Pack
Condition
Inoperative
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

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1672 ARE INOP ; / [01] REPLACED AND PERFORMED GOOD FUNCTIONAL CHECK OF BATTERY PACK M1672; PER AMM 33-51-06-960-805.; [02] VERIFIED REPLACED AND PERFORMED GOOD FUNCTIONAL CHECK OF BATTERY PACK M1672; PER AMM 33-51-06-960-805.

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