What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
1St flight as instructor with new student. During preflight left fuel qty indicator inoperative right read just below 1/2. Visual inspection determined right fuel below tab and left fuel full. Preflight completed normally. Aircraft fuel source selected to right prior to engine start. Entire evolution, start, taxi, takeoff and airwork was performed on right tank. Approximately .9 hours into flight engine quit. Instructor attempted restart but never switched fuel source to left tank. When aircraft was defueled through sumps for recovery left tank contained 18 gallons and the right tank contained 6-8 ounces. After recovery of aircraft FAA inspectors performed engine run with fuel being supplied by the right fuel system only with no negative findings.
As the FAA filed it
1ST FLIGHT AS INSTRUCTOR WITH NEW STUDENT.DURING PREFLIGHT LEFT FUEL QTY INDICATOR INOPERATIVE RIGHT READ JUST BELOW 1/2. VISUAL INSPECTION DETERMINED RIGHT FUEL BELOW TAB AND LEFT FUEL FULL. PREFLIGHT COMPLETED NORMALLY. AIRCRAFT FUEL SOURCE SELECTED TO RIGHT PRIOR TO ENGINE START. ENTIRE EVOLUTION, START, TAXI, TAKEOFF AND AIRWORK WAS PERFORMED ON RIGHT TANK. APPROXIMATELY .9 HOURS INTO FLIGHT ENGINE QUIT. INSTRUCTOR ATTEMPTED RESTART BUT NEVER SWITCHED FUEL SOURCE TO LEFT TANK. WHEN AIRCRAFT WAS DEFUELED THROUGH SUMPS FOR RECOVERY LEFT TANK CONTAINED 18 GALLONS AND THE RIGHT TANK CONTAINED 6-8 OUNCES.AFTER RECOVERY OF AIRCRAFT FAA INSPECTORS PERFORMED ENGINE RUN WITH FUEL BEING SUPPLIED BY THE RIGHT FUEL SYSTEM ONLY WITH NO NEGATIVE FINDINGS.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.