Service difficulty report · Battery Pack · Boeing 7377BD

Difficulty date
July 14, 2022
Submitted
July 25, 2022
Operation
Air carrier
Aircraft
N7749B
Make and model
Boeing 7377BD
Aircraft serial
36724
Aircraft time
39,551 hours, 20,372 cycles
Part
Battery Pack
Part number
M1670
Condition
Inoperative
Location
Pax 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

RIGHT EMERGENCY BATTERY PACK (M1670) INOP. / [01] REMOVED AND REPLACED EMERGENCY BATTERY PACK AND PERFORMED OPERATIONAL TEST PER B737 AMM33-51-06-960-805; TESTED OK.;[02] VERIFIED STEP 1.

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