Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 16, 2021
Submitted
October 25, 2021
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
58,879 hours, 34,833 cycles
Part
Battery Pack
Condition
Inoperative
Location
Cabin
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 BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) ; 2021-429707 / [01] REPLACED BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) IAW B737-700 AMM 33-51-06-960-805; [02] REPLACED BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) IAW B737-700 AMM 33-51-06-960-805 TEST IS GOOD; [03] CORRECTED STEP 1 AND 2. REPLACED BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) IAW B737-700 AMM 33-51-06-960-805 TEST IS GOOD; [04] CERTIFIED STEP 3

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