As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT RETRACT AFTER DEPARTURE FROM RDU. NO PASSENGERS WERE ONBOARD. FLIGHT WAS CONTINUED WITH GEAR DOWN AND LOCKED TO GSO FOR REPAIRS. THE SERVICE CENTER AT GSO TROUBLESHOT AND FOUND THE LANDING GEAR SQUAT SWITCHES TO BE OUT OF ADJUSTMENT. ADJUSTED SQUAT SWITCHES AS REQUIRED. OPERATIONAL CHECKS WERE GOOD. NO FURTHER ACTION TAKEN. (K)