Service difficulty report · Flow Divider · Cessna 172S

Difficulty date
February 24, 2006
Submitted
February 24, 2006
Operation
General aviation
Aircraft
N696MS
Make and model
Cessna 172S
Aircraft serial
172S10079
Aircraft time
91 hours
Engine
Lyc IO360L2A
Engine time
91 hours
Propeller
Mcauly 1A170E
Part
Flow Divider
Part number
63B23440
Part serial
0A45437
Condition
Corroded
Location
Engine
Part time
91 hours
Stage of operation
TX
How discovered
O
Nature of condition
R
Precautionary procedure
O

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

What was found

AIRCRAFT FAILED TO START & RUN. NO FUEL FLOW INDICATED ON G-1000. TROUBLSHOOT FUEL SYS & FOUND FUEL NOT PASSING THROUGH FLOW DIVIDER. SENT UNIT FOR REPAIR. AT THAT TIME AIRCRAFT HAD 41.0 HRS SINCE NEW. SECOND TIME AT 91.0 HRS.SINCE NEW, HAD THE SAME PROBLEM AS INDICATED AS ABOVE. BOTH TIMES FOUND THE VALVE STEM STUCK INSIDE THE BORE. APPEARS TO BE A RUST/BROWN COLORED CONTAMINATION AND SLIGHT SCORING. FLOWED FUEL INTO TEST JAR AND NO PARTICLES WAS NOTED ON AIRCRAFT FUEL SYSTEM. APPEARS TO BE CORROSION INSIDE BORE. B&S AIRCRAFT POLISHED VALVE STEM AND BORE, OPS. CK. OK.

More about the Cessna 172S