As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1786, PIT-BOS. EMERGENCY DECLARED. SLAT FAIL EICAS ENROUTE. WHEN FLAPS EXTENDED GOT EICAS MESSAGES "SPOILER FAULT" " AOA LIMIT FAILURES" SHAKER ANTICIPATED"; THESE MESSAGES GENERATED DUE TO "SLAT FAIL" ON DEFECT 2248055 ITEM 1. THESE MESSAGES HAVE BEEN CLEARED DUE TO RESOLUTION OF SLAT FAIL. TROUBLE SHOT PER FIM 27-83-00-810-829. REMOVED AND REPLACED RIGHT WING SLAT SCREW SENSORS PER AMM 27-83-02. OPERATION OF SLATS NORMAL AND NO FAULTS NOTED.