Service difficulty report · Inverter · Cessna 750

Difficulty date
January 3, 2013
Submitted
January 10, 2013
Operation
Air carrier
Aircraft
N978QS
Make and model
Cessna 750
Aircraft serial
7500187
Aircraft time
10,085 hours, 6,190 cycles
System (JASC)
2422 · AC Inverter
Part
Inverter
Part number
SS120
Part serial
677
Condition
Failed
Location
Electrical Sys
Part time
10,090 hours, 6,192 cycles
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

AFTER SHUTDOWN DETECTED A VERY STRONG ELECTRICAL BURNING ODOR FROM THE AFT CLOSET INSIDE THE ELECTRICAL BOX. NO FIRE. TROUBLESHOT ELECTRICAL BURNING ODOR TO THE 110V AC INVERTER IN AFT CLOSET. R & R INVERTER WITH AN OVERHAULED UNIT IAW MM 25-40-03. OPS CHECKED GOOD.

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