As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIC REPORTED THE LANDING GEAR WOULD NOT EXTEND ON APPROACH TO KESC. EMERGENCY PROCEDURES WERE FOLLOWED, AND THE AIRCRAFT LANDED SAFELY. MAINTENANCE FOUND THE LANDING GEAR HYDRAULIC SYSTEM LOW ON FLUID. THE HYDRAULIC SYSTEM WAS SERVICED IAW C99 MM 32-31-00. NO OTHER DEFECTS OR LEAKS WERE NOTED. MAINTENANCE PERFORMED EXTENSION AND RETRACTION CHECKS WITH SUCCESS; THE AIRCRAFT WAS RETURNED TO SERVICE.