What was found
FLT 533, BDL-TPA. EXPERIENCED TWO UNCOMMANDED PITCH DOWNS DURING CLIMB ON AP1. DISCONNECTED AP BOTH TIMES TO RECOVER. TAT, SAT & ISA ALL SHOWED -80C DURING EVENT THEN WENT BACK TO NORMAL. AT TIMES DURING CRUSE AT FL340 TAT AND SAT SHOWED AMBER X'S THE FIRST EVENT WAS AT 30,500 THE SECOND WAS JUST PAST FL310. REMAINDER OF FLIGHT OPERATED NORMALLY ON AP2; ACCOMPLISHED DFDR DOWNLOAD PER AVIONICS ENGENEERING REVIEW OF FAULT HISTORY ACCOMPLISHED AMM TC 27-34-00. NO FAULTS FOUND. R&R FCU PER AMM 22-81-12 OPS CHECK OK. A/C OK FOR SERVICE.