Service difficulty report · Battery · Boeing 7377H4

Difficulty date
November 10, 2022
Submitted
November 11, 2022
Operation
Air carrier
Aircraft
N939WN
Make and model
Boeing 7377H4
Aircraft serial
36646
Aircraft time
44,350 hours, 26,761 cycles
Part
Battery
Condition
Inoperative
Location
Emergency Lights
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MULTIPLE EMERGENCY LIGHTS INOP. FWD GALLEY RH BATTERY CHARGER ASSY KEEPS BLOWING LOWER FUSE. JUST ORDER FWD RIGHT M1674 PACK AND ALL ASSOCIATED LIGHTS JUST A PRECAUTION. FOUND EMER AREA LIGHT ASSY SHORTED AT 6DEF & 6ABC; R&R REF AMM 33-51-03. FOUND EMER BATTERY PACK DISCHARGED AT FWD GALLEY RH; R&R REF AMM 33-51-06. FOUND BATT POWER SUPPLY ASSY INOP AT 17ABC; R&R REF AMM 33-51-06. PERFORMED OPS CHK REF AMM 33-51-00; OPS CHK GOOD.

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