As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUEL ODOR COMING THRU THE AIR CONDITIONING PACKS DURING CRUISE FLT USING ENGINE BLEEDS. TIGHTENED THE APU FUEL INJECTOR B-NUTS IAW AMM. OPS CHECK GOOD, NO FUEL SMELL NOTED WITHIN CABIN WITH BOTH PACKS RUNNING FROM ENGINE BLEEDS OR APU BLEEDS.