What was found
AFTER DEPARTURE, NOSE GEAR FAILED TO RETRACT. PERFORMED QRH CHECKLIST. RETURNED TO PDX WITH A NORMAL LANDING. REMOVED AND REPLACED MAIN LANDING GEAR PRIORITY VALVE IAW MM 32-32-15, OPS AND LEAK CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER DEPARTURE, NOSE GEAR FAILED TO RETRACT. PERFORMED QRH CHECKLIST. RETURNED TO PDX WITH A NORMAL LANDING. REMOVED AND REPLACED MAIN LANDING GEAR PRIORITY VALVE IAW MM 32-32-15, OPS AND LEAK CHECK GOOD.