As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A STRONG ODOR WAS DETECTED AFTER TAKEOFF AND WHEN LANDING, FUEL ODOR IN CABIN AND COCKPIT AREAS. THE AIRCRAFT WAS GROUNDED. FOUND THE LEFT PRESSURE REGULATOR VALVE FAILED. REPLACED THE PRESSURE REGULATOR VALVE IAW MM 21-31-01. SYSTEM OPS AND LEAK CHECKED GOOD, NO FURTHER ODORS NOTED.