As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LANDING GEAR SELECTED DOWN ON APPROACH THE GEAR DID NOT EXTEND. CREW FOLLOWED THE QRH AND COMPLETED A SUCCESSFULL ALTERNATE EXTENSION, AND UNEVENTFULL LANDING. SB 84-32-101 RELEASED TO UPGRADE SELECTOVALVE COIL SEALS TO ELIMINATE HYDRAULIC FLUID LEAKAGE INTO THE COILS.