What was found
FLT 8830 PDX TO MFR: DURING CLIMB, SMOKE AND ELECTRICAL ODOR APPEARED FROM PILOT SIDE CIRCUIT BREAKER PANEL. CREW DECLARED AN EMERGENCY AND LANDED IN EUG WITHOUT INCIDENT. MAINTENANCE INSPECTED CB, SWITCHES, RELAYS & WIRING FOR SIGNS OF BURNING. NO DISCREPANCIES NOTED. PERFORMED GROUND RUN OPERATIONAL CHECK WITH NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. FLT 7662 FROM EUG TO PDX PILOT NOTED SIDE WINDOW PILLAR EXTREMELY HOT. MX REMOVED AND REPLACED BLEED AIR PRESSURE REGULATOR. PERFORMED GROUND RUN WITH NO DISCREPANCIES NOTED. AIRCRAFT RETURNED TO SERVICE.