As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO RETRACT GEAR AFTER TAKEOFF, ASSOCIATED RED UNLOCK LIGHT ILLUMINATED WITH GEAR HANDLE IN THE UP POSITION. TROUBLESHOT MLG SYS TO A BAD SPLICE ON THE NLG SQUAT SWITCH. REMOVED BAD SPLICE & INSTALLED A NEW SPLICE. PERFORMED SEVERAL OPS CHECK OF MLG SYS. SYS CHECKED GOOD. INSTALLED A VERLTER ON THE LANDING GEAR VALVE. OPS CHECKED GOOD. ALL WORK DONE IAW CH 32-30-01 OF WDM REPLACE 6208031-33.