As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CUSTOMER LANDED WITH GEAR UP ON PONTOONS. OPERATED BACKUP HYDRAULIC HAND PUMP AND GEAR EXTENDED NORMALLY. TROUBLESHOOT HYDRAULIC MOTOR AND FUND THE COUPLING BETWEEN THE MOTOR AND PUMP HAD BROKEN. ALSO NOTED THE MOTOR SHAFT VERY HARD TO TURN. FOUND HYDRAULIC RESERVOIR VERY CONTAMINATED WITH UNKNOWN SLUDGE.