What was found
INSTALLED A RAPCO RE-BUILT VACUUM PUMP. CLEANED ALL LINES AND CHANGED BOTH FILTERS. PUMP FAILED AFTER 18 HOURS TIME IN SERVICE. FAILURE WAS DUE TO DRIVESHAFT SHEARING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INSTALLED A RAPCO RE-BUILT VACUUM PUMP. CLEANED ALL LINES AND CHANGED BOTH FILTERS. PUMP FAILED AFTER 18 HOURS TIME IN SERVICE. FAILURE WAS DUE TO DRIVESHAFT SHEARING.