What was found
DURING CRUISE, RECEIVED ADVISORY FOR HIGH SECTOR TEMP IN COCKPIT. NEXT, RECEIVED AVIONICS SMOKE ECAM. COMPLIED WITH ECAM/QRH. NEXT, RECEIVED MID 2 LOOP FAULT. COMPLIED W/ QRH, ALL 3 ASSOCIATED VALVES WOULD NOT RESET. RECEIVED ALL ECAM/CRC INDICATIONS AS IF WERE GROUND TEST. COMPLIED WITH ECAM/QRH. DEFINITELY HAD SOME SORT OF SMOKE IN C/P. OPENING VENT, EXTRACT REDUCED SMOKE. NEXT, RECEIVED COCKPIT ALTI ECAM. COCKPIT REACHED 12,000 FT. COMPLIED WITH QRH/ECAM. VALVES RESET AFTER 5-10 MIN. ALL INDICATIONS WENT AWAY, STILL HAD SMOKE SMELL IN C/P. RTB SFS AS PRECAUTION. REMOVED AND REPLACED NR 1 LOOP-B DETECTOR PER AMM 26-19-12-4. REMOVED APU PLENUM AND CLEANED OIL FOUND FROM OVERSERVICING.