As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CCM PERSONNEL REPORTED THAT AFTER LANDING AT PLATFORM, THE HYDRAULIC PUMP LOW PRESSURE LIGHT FOR RH ENGINE TURNED ON; SO MAINTENANCE PERSONNEL PERFORMED CONDITIONAL INSPECTION DETECTING CASE DRAIN NOSE INCORRECT INSTALLED AND HYD PUMP LOOSED DUE TO INCORRECT TORQUE, SO MAINTENANCE PERSONNEL PERFORMED REPLACEMENT OF ENGINE DRIVE PUMP NO. 2 IAW AMM 29-11-11-400-801, TEST CORRECT.