As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. AIR INTERRUPT, EMERGENCY NOT DECLARED. LANDING UNEVENTFUL. DURING CRUISE A PASSENGER OBSERVED FUEL LEAKING FROM THE LT OVERWING FUEL CAP. MAINTENANCE R & R LEFT OVERWING FUEL CAP IAW AMM 28-11-04. LEAK CHECK NORMAL.