Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
May 25, 2020
Submitted
May 29, 2020
Operation
Air carrier
Aircraft
N456WN
Make and model
Boeing 7377H4
Aircraft serial
32463
Aircraft time
56,161 hours, 33,303 cycles
Part
Battery Pack
Condition
Discharged
Location
Cabin
Stage of operation
UK
How discovered
O
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 LIGHT AT OVERWING EXIT LOCATOR SIGN IS INOPERATIVE. R & R EMERGENCY LIGHT BATTERY PACK AT POWER SUPPLY M1668 IAW AMM 33-51-06.

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