As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING GEAR EXTENSION THE RT MAIN GEAR WOULD NOT EXTEND AND THE (HYD PRESS) ANNUNCIATOR ILLUMINATED CONTINUOUSLY. THE LANDING GEAR EXTENDED AFTER COMPLETING THE LANDING GEAR WILL NOT EXTEND CHECKLIST. REMOVED AND REPLACED RT MAIN LANDING GEAR ACTUATOR. CAMBER CHECKS GOOD. OPERATIONAL AND LEAK CHECKS GOOD. WORK DONE IAW MM 32-01-00. RENTAL ACTUATOR WITH 1421 CYCLES.