As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DIFFICULTY RAISING GEAR HANDLE, GEAR DID NOT INDICATE RETRACTED. LOUD AIR NOISE FURTHER INDICATED THAT GEAR WAS NOT UP. MLG SHOCK ABSORBER MESSAGE DISPLAYED. AIRCRAFT ARRIVED WITH LARGE AMOUNT OF ICE ON NLG AND SENSORS. CFDS SHOWS NLG FAULTS. CLEANED LARGE AMOUNT OF ICE AND SNOW OFF SENSOR AREA. LOOSENED AND REALIGNED BOLT D62562 TO REALIGN SENSOR TARGET LEVERS.