As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON LANDING, ACFT WENT TO FLAT PITCH PILOT DETECTED A STRONG ODOR OF FUEL AND COCKPIT FILLED WITH VISIBLE EXHAUST THAT SMELLED STRONGLY OF FUEL. PRIMARY TROUBLESHOOTING WITH REP POINTED TO AN INTERNAL LEAK IN BOTH NR1 AND NR2 ENGINE HMU'S ALLOWING FUEL IN THE P2 SYS. WHICH WITH CABIN HEATER OPERATING ALLOWS FUMES AND VAPORS TO ENTER CABIN/COCKPIT.