Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
October 29, 2022
Submitted
October 31, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
60,453 hours, 35,959 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

R OVERWING EXIT EMERGENCY LIGHTS INOP / [01] REMOVED AND REPLACED POWER SUPPLY FUSES; BATTERY PACK AND BATTERY CHARGER ASSY PER AMM 33-51-06 NO HELP.;[02] DISCONNECTED R OVER WING EMERGENCY EXIT SIGN; CLEANED CORROSION ; RECONNECTED SIGN. OPS CHECK GOOD REF MM 33-51-01.

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