Service difficulty report · Line · Cessna 172M

Difficulty date
June 19, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Cessna 172M
Aircraft time
2,880 hours
Engine
Lyc O320E2D
Part
Line
Part number
050011831
Condition
Chafed
Location
Fuel System
Part time
2,863 hours
Stage of operation
IN
How discovered
9
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

(CAN) THE AFFECTED FUEL LINE IS A .5 ALUMINUM TUBE THAT RUNS FORWARD FROM THE SELECTOR VALVE, UNDER THE RUDDER BARS, AND TO THE FIREWALL FITTING, ALL ON THE COPILOT`S SIDE. THE RT NOSEGEAR STEERING BUNGEE IS ACTIVATED BY A BELLCRANK ON THE RT RUDDER BAR, AND THIS BELLCRANK, THE STEERING BUNGEE OR THE BUNGEE`S RETAINING HARDWARE CAN CONTACT THE FUEL LINE AND CHAFE IT. IN THIS CASE, THE STEERING BUNGEE`S ROD END RETAINING NUT AND THE END OF THE BELLCRANK HAD WORN THROUGH A MAJORITY OF THE FUEL LINE`S WALL THICKNESS.

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