As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1226 RDU-BOS, CREW DECLARED EMERGENCY DUE TO "FLAP FAIL" EICAS WHEN FLAP 1 SELECTED FOR APPROACH. DID NOT RESET AFTER QRH. LANDED FLAPS "0" PER QRH PROCEDURE. DURING TROUBLESHOOTING FOUND CONNECTOR P1250 CORRODED AT RIGHT O/B FLAP SKEW SENSOR T4. REMOVED AND REPLACED CONNECTOR P1250 AS PER SWPM 20-31-04, PERFORMED OPERATIONAL CHECK AND RIGGING AS PER MM 27-50-00, OPS CHECK OK AT THIS TIME.