Service difficulty report · Battery Pack · Boeing 73779P

Difficulty date
February 8, 2023
Submitted
March 21, 2023
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
53,322 hours, 35,875 cycles
Part
Battery Pack
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

DOES NOT PASS THE OPERATIONAL TEST ON BATTERY PACK LH SIDE LOCATED ON LOWERED CEILING PANEL FWD AREA GALLEY 2023-116589<[01] DOESED PASS THE OPERATIONAL TEST ON BATTERY PACK LH SIDE LOCATED ON LOWERED CEILING PANEL FWD AREA GALLEY I.A.W B737-700 AMM-33-51-06-960-805;[02] CORRECTED STEP 1 REPLACED BATTERY PACK LH SIDE LOCATED ON LOWERED CEILING PANEL FWD AREA GALLEY I.A.W B737-700 AMM-33-51-06-960-805 TEST IS OK;[03] STEP 2 VERIFIED AND CORRECTIVE ACTION COMPLETED: <BR>REPLACED BATTERY PACK LH SIDE LOCATED ON LOWERED CEILING PANEL FWD AREA GALLEY I.A.W B737-700 AMM-33-51-06-960-805 TEST IS OK .

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