As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF OUT OF ROC, FLAPS FAILED TO RETRACT ALONG WITH "FLAP FAULT" AND "FLAP INOP" WARNINGS. AS PER QRH, LEFT FLAPS AT 18' AND DIVERTED TO BUF. INSPECTION SHOWED SL2 FAULTED, RESET SL2 AND FLAP SYSTEM IAW AVRO AMM 27-50-00-501. TESTED FLAP SYS TWICE AND NO FURTHER FAULTS.