What was found
FUEL RESERVOIR LOW LEVEL LIGHT ILLUMINATED IN CRUISE. AIRCRAFT DECLARED EMERGENCY, RETURNED TO MTY, AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT SYSTEM IAW CESSNA FIELD SERVICE NOTE 95-21 DATED JUNE 22, 1995, AND FOUND FUEL RESERVOIR LOW LEVEL SENSOR HAD FAILED. MAINTENANCE REMOVED AND REPLACED SENSOR. SYSTEM OPERATION CHECKS GOOD. (X)