What was found
(CAN) WHILE DOING A MAIN ROTOR BLADE REPLACEMENT, THE BLADE BOLTS LOOKED DIFFERENT AND WERE LATER CONFIRMED BY MANUFACTURER TO BE BOGUS. ORIGINATOR CHECKING ON PREVIOUS HISTORY OF M/R HEAD ASSY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) WHILE DOING A MAIN ROTOR BLADE REPLACEMENT, THE BLADE BOLTS LOOKED DIFFERENT AND WERE LATER CONFIRMED BY MANUFACTURER TO BE BOGUS. ORIGINATOR CHECKING ON PREVIOUS HISTORY OF M/R HEAD ASSY.