Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 14, 2023
Submitted
October 16, 2023
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
64,386 hours, 38,370 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

INOP EMERGENCY DOOR BATTERY PACK ON LOWER POSITION LT SIDE AT PASSENGER CABIN (1 EA) 2023-569712<[01] REPLACED EMERGENCY BATTERY PACK ON LOWER POSITION LT SIDE AT PASSENGER CABIN (1 EA) TEST OK IAW AMM 33-51-06-960-805;[02] CORRECTED STEP 1 REPLACED EMERGENCY BATTERY PACK ON LOWER POSITION LT SIDE AT PASSENGER CABIN (1 EA) TEST OK IAW B737-700 AMM 33-51-06-960-805;[03] REPLACED EMERGENCY BATTERY PACK ON LOWER POSITION LT SIDE AT PASSENGER CABIN (1 EA) TEST OK IAW B737-700 AMM 33-51-06-960-805

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