Service difficulty report · Line · Cessna TU206G

Difficulty date
June 5, 2003
Submitted
June 16, 2003
Operation
General aviation
Make and model
Cessna TU206G
Aircraft time
1,692 hours
Engine
Cont TSIO520M
Propeller
Mcauly D3A34C402
Part
Line
Part number
1200106253
Condition
Severed
Location
Fuel System
Stage of operation
NR
How discovered
9
Nature of condition
K
Precautionary procedure
O

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

What was found

(CAN) DURING THE LAST OPS 4 INSPECTION, SEB 95-6, RUBBER FUEL HOSE INSPECTION AND REPLACEMENT WAS ACCOMPLISHED. SUBSEQUENT INSPECTION REVEILED THAT THE FUEL PRIMER LINE FROM THE MANIFOLD TO THE PRIMER T FITTING ROUTED NEAR THE ALTERNATOR PULLEY FOUND BROKEN IN TWO AND THE TEE FITTING CHAFED ON THE ALTERNATOR PULLEY. AIR TIME SINCE INSPECTION /MODIFICATION WAS 19.1 HOURS. THE ABSENCE OF CLAMPS AT THE TEE FITTING TO THE INTAKE MANIFOLD AND THE INCREASED STIFFNESS OF THE NEW LINES CAUSED INCREASED STRESS ON THE RIGID PRIMER LINE LEAD TO THE RIGID LINE FAILURE. A NEW RIGID LINE AND FITTINGS WERE INSTALLED AND THE TEE FITTING CLAMPED AS DESCRIBED IN THE MAINTENANCE MANUAL AND IPC.

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