What was found
AT CRUISE 43,000 FT, RECEIVED A STALL WARNING, PITCH TRIM BACK UP FAIL, FLAP FAIL, AND SPOILER FAULT. RAN THE QRH, THEN DESCENDED BY HAND DUE TO AUTOPILOT ONLY WORKING FOR ALTITUDE HOLD. RAN THE QRH FOR NO FLAP NUMBERS BELOW 18,000 FT THEN DECLARED AN EMERGENCY AT 18,000 FT. AIRCRAFT LANDED SAFELY AT KPBI. REMOVED AND REPLACED NR 1 FCE AS REQUIRED. PERFORMED SATISFACTORY RIGGING OF FLAPS WITH NO FAULTS OR DEFECTS NOTED, IAW EMB 505 AMM 27-03-01. ALL RII PROCEDURES COMPLIED WITH. SWPS OPERATIONAL CHECKS GOOD, IAW EMB 505 AMM 27-36-00. P/N OFF/ON: 462900-1017; S/N OFF: 0649 S/N ON: 0840.