What was found
(CAN) PILOT REPORTS LANDING GEAR FAILED TO RETRACT WHEN COMMANDED TO DO SO. TECHN RETRIEVED LT MAIN 1 POWER FAIL, LT MAIN 2 POWER FAIL, RT MAIN POWER FAIL, DINO 1A FAULT UNREASONABLE FALSE, DINO 2A FAULT UNREASONABLE TRUE MESSAGES FROM PSEU. WIRING CHECKS FOR MESSAGES DINO 1A, DINO 2A AND RT MAIN POWER FAIL PERFORMED IAW WDM 32-73-31-810, 32-73-31-810-844 AND 32-61-24-810-801, NO FINDINGS. ACFT JACKED AND GEAR SWINGS CARRIED OUT, NORMAL OPS OBSERVED. LANDING GEAR CONTROL PANEL REPLACED FOR TROUBLESHOOTING, ACFT RELEASED TO SERVICE.