As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AT FLAP RETRACTION, LT FLAP FROZE AT 4 DEGREES FOR APPROX 5-8 MINUTES. NO FLAP FAIL MSG RCVD. BUT ACFT HAD A RT ROLL TENDENCY. FLAP DID EVENTUALLY RETRACT WE DID NOT OPERATE FLAPS FURTHER AND LANDED FLAPS 0 DEGREES WITH TOUCHDOWN OF LESS THAN 100 FPM. (EMERGENCY DECLARED)