SAN ANGELO, TX, USA
N8314N
BEECH E33
THE ENG FAILED IN FLT & THE ACFT CRASHED 1 MI SHORT OF RWY 18 DURING AN EMERGENCY LANDING INTO MATHIS ARPT. THE ACFT'S FUSELAGE WAS STREAKED WITH FRESH OIL. THE RIGID OIL PRESSURE LINE, EXTENDING FROM THE ENG TO THE FIREWALL, FAILED DUE TOFATIGUE CRACKING FROM MULTIPLE ORIGINS ON OPPOSITE SIDES OF THE OUTSIDE DIAMETER OF THE LINE AT THE BEGINNING OF A HEAVILY FLARED RADIUS. THE PARTS CATALOG FOR THE BE-E33 REQUIRES A FLEXIBLE HOSE. THE ENG HAD BEEN OVERHAULED ON 7/20/82, 121 HRS PRIOR TO THE ACCIDENT. IT IS NOT KNOWN WHEN THE RIGID LINE WAS INSTALLED IN PLACE OF FLEXIBLE HOSE. AS A RESULT OF THE OIL STARVATION THE #4 CONROD FAILED.
Source: NTSB Aviation Accident Database
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