As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN CLOSEING THE CARGO DOOR A PUNGENT SMELL STARTED BY THE CREW ENTRY DOOR. IT WAS HARD TO BREATHE WITHOUT COUGHING. SUSPECT SKYDROL (HYD FLUID). ACCOMPLISHED REPAIR OF HYD TUBING AT MCD SELECTOR VALVE. REF AMM 20-23-11 PARA.5, H RYNGLOK REPAIR. OPERATED MCD SEVERAL CYCLES NO LEAKS NOTED. OKAY FOR SERVICE