What was found
ON TAKE0OFF FROM TTN LANDING GEAR FAILED TO RETRACT. AIRCRAFT MADE AN UNSCHEDULED LANDING BACK AT TTN, TROUBLESHOOT TO A BAD LANDING GEAR HYDRAULIC POWER PACK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON TAKE0OFF FROM TTN LANDING GEAR FAILED TO RETRACT. AIRCRAFT MADE AN UNSCHEDULED LANDING BACK AT TTN, TROUBLESHOOT TO A BAD LANDING GEAR HYDRAULIC POWER PACK.