As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 574 - CUN-MEX - AIRCRAFT ARRIVED TO PLATFORM WITH HYDRAULIC FLUID LEAK IN THE RIGHT SYSTEM. IT WAS CHECKED AND THE LEAK WAS FOUND AT THE PTU SHUTOFF VALVE. BEARINGS WERE CHANGED IAW MM 29-10-08. DURING OVERNIGHT SERVICE WERE DETECTED THAT THE SEPARATOR AIR CONDITIONING WATER WERE WITH POLLUTION WITH SKYDROL SO THEY WERE CHANGED IAW MM 21-20-02. (M)