What was found
DURING CRUISE FROM RJTY TO WSAP AT FL 360 CABIN PRESSURE CONTINUED TO CLIMB. THE CREW PUT BOTH AIR CONDITIONING PACKS TO MAX FLOW AND TRIED TO MAINTAIN CABIN PRESSURE MANUALLY. ALL EFFORTS WERE UNSUCCESSFUL AND THE CABIN CONTINUED TO CLIMB PAST 10,000 FEET. THE CREW PERFORMED A RAPID DEPRESSURIZATION AND EMERGENCY DECENT. ALL OXYGEN MASKS SUCCESSFULLY DEPLOYED. ALL APPLICABLE CHECKLISTS WERE COMPLIED WITH. THE CREW RETURNED TO RJTY AND SAFELY LANDED. MAINTENANCE INSPECTED THE OUTFLOW SYSTEM AND FOUND SOME VISIBLE MOISTURE IN THE OUTFLOW VALVE. MAINTENANCE CLEANED AND LUBRICATED THE OUTFLOW VALVE AND ALL OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT DECAY CHECK WAS WITH IN LIMITS. THE AIRCRAFT WAS RETURNED TO SERVI