What was found
AT CRUISE LOST PFD 1 MFD AND FMS. CAMEBACK IN ABOUT 10 MINS. FMS GAVE MSG GPS 1 LOST & NO REQUIRED SENSORS AFTER IT CAME BACK ON. POWERED ACFT & AVIONICS SYSTEMS AND MONITORED FOR 1 HOUR WITH NO DEFECTS. UNABLE TO DUPLICATE DISCREPANCY. PER MCC, PERFORMED INSPECTION OF COOLING FANS, PINS AND SOCKETS WITH NO DEFECTS NOTED. RE-INSTALLED SERVICEABLE #1 IAC IAW MM 34-26-00. POWERED AIRCRAFT AND VERIFIED #1 IAC COOLING FAN SOPERATIONAL. COMPLIED WITH #1 IAC OPERATIONAL CHECK IAW MM 34-26-00 WITH NO DEFECTS NOTED. OPERATIONAL CHECK GOOD. PER MCC, NO FURTHER ACTION REQUIRED AT THIS TIME. CLOSED ALL ACCESS AS REQUIRED.