Yes, you are wrong
Fargoo, give Wirelock some discount, at least explain him ......
Wirelock, some company have a Part 21 approval and can override the AMM.
But in Tire wears normally the so called Standart or company procedure is reducing the limits, to allow to renew the tires more often. It depends for which Part 145 company you work.
But You're right, first entry point for our friend from syria should be the AMM to change a >>tier<<
