What was found
DURING ROUTINE MAINT (1) OF (2) BELT TENSIONING ARMS FOUND CRACKED IN (2) PIECES. FAILURE ORIGINATED AT WELDMENT. SEVERAL HAVE FAILED IN THIS MANNER. SUGGEST POST WELD, HEAT TREATMENT TO RELIEVE WELD STRESS. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ROUTINE MAINT (1) OF (2) BELT TENSIONING ARMS FOUND CRACKED IN (2) PIECES. FAILURE ORIGINATED AT WELDMENT. SEVERAL HAVE FAILED IN THIS MANNER. SUGGEST POST WELD, HEAT TREATMENT TO RELIEVE WELD STRESS. (K)