19970118000629I

Narrative: the pilot stated that he departed smo at approx. 1130AM on 1/19/97 to perform basic student pilot airwork. The pilot stated that he descended down between 1500 to 1300 feet to practice turns around a point. The pilot stated that up to this point the aircraft was operating normal and the engine was responsive. Following this maneuver the pilot stated that he pushed the throttle in to increase RPM so he could climb. He stated that at this point he felt something was wrong because the engine would not respond to the throttle, and stayed at 2000 RPM. The pilot stated at this point he checked the obvious, mixture, carburetor heat and magnetos. Following this check the pilot decided to declare a may-day. The aircraft descended to 800 feet AGL and was cleared for a downwind landing on runway 3. The pilot stated that he did not attempt to make any throttle changes until he had the runway made. At that time he stated that he pulled back on the throttle and got no response. He stated that the aircraft bounced from the speed he was traveling at. He stated that he retracted the flaps and pushed the nose onto the runway. At this time, he stated, that the nose gear collapsed and the propeller made contact with the ground. The aircraft, at this time, came to a stop, the pilot exited the aircraft unhurt. A fuel line had been cut from the collapsed nose gear causing a post crash fire. The fire was quickly put out by the fire department. Examination of the aircraft by the lax-fsdo found the AN-3-6 bolt and attaching hardware missing that attaches the throttle control, Cessna p/n 9863056-1 to the carburetor.