As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 1803 REPEAT WRITE UP. AFT FLIGHT ATTENDANTS AND PASSENGER REPORTING SMELL OF OIL AND STALE AIR. CORRECTIVE ACTION: DUE TO LARGE HYDRAULIC LEAK ON THE RIGHT SYST AFTER ENGINE STARTED POSSIBLE EMANATIONS IN CABIN. FOLLOWING PREVIOUS LOG 5748772 HYD LEAK FIXED. AIR CONDITIONING SYSTEM OPERATED DURING ONE HOUR ON BOTH PACKS, NO BAD SMELL NOTICED. A/C OK FOR SERVICE (5748773)