What was found
THE CIRCUIT BREAKER LG CONT 2 POPPED AT TAKEOFF & GEAR UP. THE GEAR SPEED OF 210 WAS EXCEEDED BY 40K UNTIL WE DETERMINED THE GEAR NEVER RETRACTED. WE ACCOMPLISHED THE CHECKLIST BLOW DOWN PROCEDURE, INCLUDING THE MAIN GEAR & NOSE GEAR MANUAL UNLOCK RELEASE PROCEDURE. LANDED WITHOUT INCIDENT. RELEASED PRESSURE, RESET & SERVICED NLG BLOW DOWN BOTTLE, RESET LG CONTROL VLV & PERFORMED 25 FULL LG CYCLES IAW MM 32-00-00. NO DISCREPANCIES NOTED. REPOSITIONED PCB ASSEMBLY, LANDING GEAR CONTROL, PERFORMED SEVERAL GEAR SWINGS. OPERATION CHECKS GOOD. WORK DONE IAW MM CH24-60-10 REV 24.