What was found
DURING GROUND RUN UP OF AIRCRAFT A GROUND BOUNCE CONDITION OCCURRED. CHECKED CENTERING ON M/R HEAD TRUNNION. TRUNNION OFF CENTER BY .003. ADJUSTED TRUNNION. REASSEMBLIED. C/W MAIN ROTOR TRACK AND BLANCE, CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING GROUND RUN UP OF AIRCRAFT A GROUND BOUNCE CONDITION OCCURRED. CHECKED CENTERING ON M/R HEAD TRUNNION. TRUNNION OFF CENTER BY .003. ADJUSTED TRUNNION. REASSEMBLIED. C/W MAIN ROTOR TRACK AND BLANCE, CHECKED GOOD.