As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LANDING GEAR DID NOT LOWER ON APPROACH. CREW RECYCLED TWICE WITH NO SUCCESS.ALTERNATE EXTENSION (FREE FALL) CARRIED OUT AND UNEVENTFUL LANDING ACCOMPLISHED. L/G ISOLATION SAFETY VALVE REPLACED AS PER AMM 32-31-17 AND OPERATION CHECK CARRIED OUT AS PER AMM 32-31-00. LANDING GEAR EXTENSION / RETRACTION SYSTEM CHECKED SERVICEABLE.