As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT COMPLAINED FUEL SELECTOR WAS VERY STIFF. CYCLED IT A COUPLE TIMES AND IT SEIZED IN THE LT TANK POSITION. FUEL WAS DRAINED AND SELECTOR REMOVED. THE DETENT BALL WAS FOUND TO BE ROUGH, CHROME PEELING SLIGHTLY, SMALL AMOUNT OF CORROSION. DETENT BALL AND SPRING REPLACED WITH NEW, DETENT PLATE CLEANED INSPECTED AND LUBRICATED. FUEL SELECTOR REINSTALLED AND CHECKED FOR LEAKS AND FUNCTION. WORKS SMOOTH AND DENTS ARE APPARENT. NO SIGN OF BINDING, STIFFNESS OR SEIZING.