Service difficulty report · Power Supply · Boeing 7377H4

Difficulty date
June 10, 2023
Submitted
June 13, 2023
Operation
Air carrier
Aircraft
N406WN
Make and model
Boeing 7377H4
Aircraft serial
27894
Aircraft time
73,554 hours, 43,914 cycles
Part
Power Supply
Condition
Inoperative
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 LIGHTS ASSOCIATED WITH BATTERY PACK M1675 INOP WHEN SELECTED ON<[01] REMOVED AND REPLACED M1675 BATTERY POWER SUPPLY PER AMM 33-51-06. OPS CHECK GOOD.

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