As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSTALLATION OF BOLTS IN THE BRAKE ASSEMBLY, THE BOLT SHEARED OFF. THE TORQUING PROCEDURE WAS RECHECKED (275-285 IN/LBS.) AND A SUBSEQUENT BOLT SHEARED OFF. THE VENDOR M&M AEROSPACE HARDWARD INC., WAS NOTIFIED AND WE WERE ADVISED THAT THE MANUFACTURER - MERCURY - WAS OUT OF BUSINESS. ALL MERCURY HARDWARE REMOVED FROM M&M STOCK. BOLT SENT FOR LAB ANALYSIS.