As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TO GEAR WAS SELECTED FOR RETRACTION RT GEAR REMAINED UNSAFE AND LT WAS SLOW TO RETRACT. CREW INITIATED AN ATB. NO FAULT CODES PRESENT ON PSEU. FURTHER INVESTIGATION REVEALED SELECTOR VALVE IN SECONDARY SYS WAS SEIZED. REPLACED VALVE PERFORMED RETRACTION SUCCESSFULLY.