Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
July 23, 2023
Submitted
July 25, 2023
Operation
Air carrier
Aircraft
N938WN
Make and model
Boeing 7377H4
Aircraft serial
36645
Aircraft time
46,158 hours, 28,182 cycles
Part
Battery Pack
Part number
UNKNOWN
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

DURING EMERGENCY LIGHTS OPS TEST; L/H OVERWING EXIT LIGHT TOP AND BOTTOM INOP<[01] REMOVED AND REPLACED L/H MID BATTERY PACK IAW AMM 33-51-06. OPS CHECK GOOD

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