Accident Sequence
During the nighttime departure, the airplane accelerated normally, with the engine delivering full power throughout the takeoff roll and initial climb. As the airplane reached an altitude of approximately 300 to 400 feet above the ground, the engine began to lose power. The certified flight instructor (CFI) assumed control of the aircraft and executed a forced landing. During the landing rollout, the airplane traversed a shallow drainage swale. The nose landing gear and right main landing gear assemblies collapsed. The airplane then rotated to the right and came to rest in an upright position.
Examination Findings
Inspection of the wreckage revealed that the fuel line running between the fuel pump and the carburetor was loose at the connection point on the carburetor. Activation of the electric fuel pump produced a visible spray of fuel from the connection point.
Inspection Background
The airplane had accumulated approximately 20 hours of operation since a 100-hour inspection conducted 10 days prior to the accident. 14 CFR Part 43 Appendix D – Scope and Detail of Items (as Applicable to the Particular Aircraft) To Be Included in Annual and 100 Hour Inspections states: "Each person performing an annual or 100 hour inspection shall inspect (where applicable) components of the engine and nacelle group."