4 ms·I'd be interested to know if there was a maintenance test flight before carrying revenue passengers.by redis_mlc 6y agoI'd be interested to know if there was a maintenance test flight before carrying revenue passengers.sokoloff 6y agoTest flights are not required after most maintenance activity. Licensed mechanic sign-off returns the aircraft to service.rkagerer 6y agoYeah it must be tough. If I did this kind of repair in my garage I'd want to pressurize the cabin before it was scheduled to go airborne.