Service difficulty report · Battery Pack · Boeing 73779P

Difficulty date
October 5, 2023
Submitted
October 17, 2023
Operation
Air carrier
Aircraft
N7833A
Make and model
Boeing 73779P
Aircraft serial
30036
Aircraft time
57,956 hours, 37,763 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

EMERGENCY LIGHT INOP FOR POWER SUPPLY/BATTERY PACK M1673<[01] REMOVE & REPLACE BATTERY PACK M1673 PER B737 AMM 33-51-06-960-805. PERFORM TEST OF BATTERY PACK OER B737 AMM 33-51-06-960-805 TEST PASSED;[02] VERIFIED STEP # 1

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