As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(REF: MDR06-093) DAMPER WAS REMOVED FROM THE AIRCRAFT DUE TO, THE PISTON PN 6410-26005-104, SN 550 FOUND BROKEN AFTER SHUTDOWN OF HELICOPTER. THE PISTON ROD BROKE NEAR THE FORK ASSEMBLY, PN 6410-26211-041 AND APPEARS TO BE BROKEN AT THREADS. DAMPER WAS INSTALLED ON MRH PN 6410-20004-033, SN A2-013. (K)