SDR 97CW1

Service difficulty report · Wire Harness · Cessna 550

Difficulty date
September 26, 2003
Submitted
October 16, 2003
Operation
General aviation
Aircraft
N797CW
Make and model
Cessna 550
Aircraft serial
5500232
Aircraft time
7,553 hours, 6,649 cycles
Part
Wire Harness
Condition
Chafed
Location
Zone 600
Part time
7,553 hours, 6,649 cycles
Component
Pump
Component part number
99120173
Stage of operation
IN
How discovered
V
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

THE FUEL PUMP WIRING HARNESS IS NOT SUPPORTED WITHIN THE FUEL CELL AND CHAFED ON THE ALUMINUM FUEL LINE FROM THE PRIMARY PUMP TO THE CHECK VALVE INSIDE THE FUEL CELL. THERE WAS .006 INCHES DAMAGE TO THE WALL OF THE FUEL LINE AND THE SHIELDING ON THE PUMP WIRING HARNESS WAS CHAFED THROUGH. THERE WAS NO EVIDENCE OF ARCING.

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