COMPANY MANAGEMENT'S DISPATCH OF AN AIRPLANE WITH KNOWN DEFICIENCIES, THEIR FAILURE TO CORRECT THE DEFICIENCIES, AND THE STUDENT PILOT'S INADVERTENT ENTRY INTO A STALL. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE: CHAFED WIRING, FOULED SPARK PLUGS, A MAGNETO INDUCED PARTIAL POWER LOSS, AND AN UNIDENTIFIED INSTRUCTOR'S FAILURE TO PROVIDE PROPER ASSISTANCE TO THE STUDENT PILOT.