As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF WITH GEAR HANDLE IN UP POSITION, SYSTEM -A+ GEAR POSITION INDICATION LIGHT FOR NOSE GEAR STAYED ILLUMINATED. SYSTEM -B+ LIGHT SHOWED NORMAL OPERATION. DID NOT CONCUR WITH -A+ SYSTEM. LOW RUMBLE HEARD FROM ENGINE DURING RETRACT PERIOD. INSPECTED NOSE LANDING GEAR IAW WITH MM 32. PERFORMED SEVEN GEAR SWINGS. NO DEFECT NOTED, ALL CHECKS GOOD.