Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
TERE-04062021-01
Service Bulletin/Repair Instructions
PN692 was an external communication sent out in March 2021 for a recall being performed by Honeywell/Miller Fall Arrest Harness. The material used was compliant for strength but was not arc flash resistant. These harnesses were supplied to customers in Canada and overseas. Dealers in Canada and overseas were provided the bulletin. None of the Miller harnesses and lanyards were provided to customers in the US, they were from a different manufacturer.
PN674
Service Bulletin/Repair Instructions
Update Upper Boom leakage monitor system connector at elbow used for required dielectric tests, to current production crimped on termination of coax cable. Provide parts to improve reliability.
PN633
Service Bulletin/Repair Instructions
Check cylinder porting for manual let down operation