SDR 2021F00100

Service difficulty report · Control Head · Cessna 650

Difficulty date
August 1, 2021
Submitted
August 2, 2021
Operation
General aviation
Aircraft
N478CB
Make and model
Cessna 650
Aircraft serial
6500206
Aircraft time
9,558 hours, 7,822 cycles
Part
Control Head
Part number
1842001010001
Part serial
1107
Condition
Burned Out
Location
Fms
Part time
763 hours, 720 cycles
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

AFTER TAKE OFF FROM HOU ON CLIMB OUT ENROUTE TO ASE. THE NUMBER ONE FMS SCREEN FLASHED BRIGHT AND WHEN BLANK AND CREW NOTE FUMES/ODOR LIKE ELECTRIC SMELL THAT SOMETHING BURN OUT. CREW SHUT OFF THE NUMBER ON FMS CONTROL AND PULLED CIRCUIT BREAKER FOR THAT UNIT SMELL/ODOR WHEN AWAY. CREW NOTIFIED ATC AND OF POSSIBLE PROBLEM AND DIVERTED TO LBB. CREW LANDED AIRCRAFT SAFELY AT LBB WITH NO FURTHER PROBLEM. MAINTENANCE PERSONAL WERE DISPATCH TO LBB TO CHECK THE AIRCRAFT FOR CAUSE AND ANY DAMAGE. MAINTENANCE INSPECTED THE AIRCRAFT CENTER PEDESTAL AREA WERE THE CREW NOTED THE SMELL/ ODOR AND THEY ALSO NOTED A SLIGHT SMELL. MAINTENANCE REMOVED EQUIPMENT FROM THE AIRCRAFT CENTER PEDESTAL, INSPECTED ALL CONNECTION AND WIRES , FOUND NO WIRES OR CONNECTOR BURNED OR DAMAGE AND THE NUMBER FMS UNIT HAD A BURNED ODOR COMING FROM THE CONTROL UNIT ITS SELF

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