Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
August 5, 2023
Submitted
August 7, 2023
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
66,616 hours, 39,709 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

EMERGENCY LIGHTS AT ROW 3DEF AND 6DEF; LOWER FWD SERVICE DOOR; AND EXTERNAL FWD SERVICE DOOR SLIDE INOP<[01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1675 IN REF TO AMM 33-51-06. OPS TEST GOOD.

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