As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL LINE ON HEATER FAILED DUE TO CORROSION ALLOWING AVGAS TO SPRAY INTO NOSE BAGGAGE COMPARTMENT AND IGNITE. HEATER ASSY ITSELF IS IN GOOD CONDITION. AD 81-09-09 PROVIDES FOR INSPECTION OF THAT AREA BY HEATER OPERATION TIME, BUT, NO CALENDAR TIME. PART HAD 19 HRS SINCE AD, HOWEVER, SEVERAL YEARS HAD PASSED. ACFT LOCATED IN FLORIDA WHICH HAS A CORROSIVE ENVIRONMENT. SUBMMITTER RECOMMENDATION - ADD CALENDAR TIME TO AD.