As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON ENGINE START UP FOR DEPARTURE, CREW NOTICED QUANTITY OF "A" SYSTEM HYDRAULICS DROPPING .ENGINE SHUT DOWN MAINTENANCE FOUND LT MLG DOOR LOCK SEQUENCE VALVE HOUSING WAS CRACKED AND LEAKING FLUID.MAINTENANCE REPLACED THE VALVE, A/C WAS POSITIONED GEAR DOWN TO A MAINTENANCE FACILITY FOR A GEAR SWING,WHICH WAS CARRIED OUT AND THE A/C WAS RETURNED TO SERVICE.