What was found
IN FLIGHT, AT 9000 FT, CLIMBING AUTO PILOT OFF AND ACFT IN NORMAL FLIGHT, PDF 1 & MFD 1 WENT TO SYMBOLOGY ONLY. YD 1 DISENGAGED, NUMEROUS STATUS MESSAGES DISPLAYED, MOMENTARY ELECTRONICS ODOR ON FLIGHT DECK. ALL SYS RETURNED TO NORMAL IN APPROX 20 SECOND. NORMAL LANDING. SWAPPED CAPT PFD TO EICAS 1 AND CAPT MFD TO EICASE 2 IAW AMM 31-61-01, ALL SCREEN OP'S CHECKED GOOD.