As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ROTATION, AN ABNORNAL THUMP SOUND WAS HEARD FROM NOSE GEAR. RED NOSE GEAR UNSAFE LIGHT STAYED ON AND LT AND RT MAIN DOOR AMBER LIGHTS STAYED ON. AFTER APPR0X 4 MINUTES, GEAR RETRACTED AND LIGHTS EXTINGUISHED. PERFORMED ALTERNATE EXTENSION AT DESTINATION. R & R GEAR CONTROL HANDLE. ALSO ADJUSTED NOSE GEAR FWD DOORS IAW MM 32-21-00, CYCLED GEAR TEN TIMES. OPS CHECKED GOOD AT THIS TIME.