As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT SLAT FAIL CAUTION MSG APPEARED ON EICAS PRIOR TO SLAT/FLAP SELECTION FO VANED. QRH CHECKLIST DECLARED EMERGENCY DUE TO FLAP FAIL MSG. FAULT HISTORY SHOWS #27831005ACE. OUTBD SLAT SKEW SENSOR/WIRING. TROUBLESHOOT IAW FIM 27-83-801-814-A TO STEP 1/19 AND FOUND TO BE A TRANSITORY CONDITION SLATS OPS CHECK OK IAW AMM 27-80-00. ORIG SUBMISSION DATE: 12/29/2022