Service difficulty report · Battery Pack · Boeing 7377CT

Difficulty date
July 22, 2021
Submitted
September 2, 2021
Operation
Air carrier
Aircraft
N7821L
Make and model
Boeing 7377CT
Aircraft serial
32748
Aircraft time
58,592 hours, 29,340 cycles
Part
Battery Pack
Condition
Inoperative
Location
Emergency Lights
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

PER CUSTOMER REQUEST ROB BATTERY PACK FROM POWER SUPPLY M1675 FOR A/C 7820 ; / [01] REMOVED EMERGENCY LIGHT BATTERY PACK FROM POWER SUPPLY M1675.PER B737 AMM 33-51-06.; [02] VERIFIED STEP 1; [03] INSTALLED BATT. PACK ON POWER SUPPLY M1675; PER REF. AMM<BR>33-51-06-960-805 STEP D(4); [04] PERFORMED OPS CHECK; FOUND LIGHTS CONNECTED TO BATTERY PACK OPERATING NORMAL AS PER B737 AMM 33-51-06-960-805; [05] PERFORMED OPS CHECK; FOUND LIGHTS CONNECTED TO BATTERY PACK OPERATING NORMAL AS PER B737 AMM 33-51-06-960-805; [06] VERIFIED STEPS 3; 4 AND 5

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