BURLINGTON, WA, USA
N6627V
BELLANCA 17-30A
DURING INITIAL CLIMB, THE PLT SMELLED SMOKE & HEARD A BACKFIRE, THEN THE ENG LOST POWER. A FORCED LANDING WAS MADE IN A FIELD ON ROUGH/UNEVEN TERRAIN. DURING THE LANDING ROLL, THE ACFT STRUCK A DITCH & WAS DAMAGED. A VISUAL INSPECTION REVEALED THAT THE LEFT EXHAUST MUFFLER HAD FAILED AT ITS OUTLET. THIS ALLOWED HOT EXHAUST GASES TO ENTER THE ENG COMPARTMENT & DAMAGE THE VOLTAGE REGULATOR, ALTERNATOR & MAGNETO WIRING (P-LEADS). WITH P-LEAD FAILURE, THE MAGNETOS WOULD HAVE BEEN INOPERATIVE. AN AIRWORTHINESS DIRECTIVE, AD 76-23-03, WHICH REQUIRED AN INSPECTION OF THE EXHAUST SYS EACH 100 HRS, HAD LAST BEEN COMPLIED WITH ON 8/18/82. HOWEVER THE ACFT HAD BEEN OPERATED FOR ONLY 50 FLT HRS SINCE THAT DATE.
Source: NTSB Aviation Accident Database
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