As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR WOULD NOT EXTEND, CYCLED SEVERAL TIMES. USED EMERGENCY BLOW-DOWN BOTTLE, NOSE GEAR STILL WOULD NOT EXTEND. AIRCRAFT LANDED WITH NOSE GEAR UP. RIGHT NOSE GEAR DOOR RETREAT BRACKET BROKEN. NOSE GEAR PULLED RT DOOR UP INTO NOSE GEAR WELL AND JAMMED GEAR IN WELL.