As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER 35 MINUTES AT FL150, PILOT OBSERVED LOW FUEL PRESSURE AND LOSS OF TORQUE. AFTER PARKING, TECH TRIED TO START ENGINE BUT THE RESULT WAS NEGATIVE. CONFIRMED THE MAIN FUEL QUANTITY INDICATOR AND THE RT FUEL INDICATOR MEASURES WERE ERRONEOUS REGARDING TO THE RT FUEL TANK. AFTER FOLLOWING MAINTENANCE PROCEDURE, THEY CONCLUDED THAT FUEL QUANTITY SENSOR HAD PROBLEM.