I'd sure like to see the Miner's Rule equation that came up with that "magic" 10,000 hours.
"Hard Time" maintenance schedules have been the norm since the advent of helicopter aviation. That is changing with Condition Based Maintenance (CBM) concepts in conjunction with Health and Usage Monitoring Systems (HUMS). A google search will provide much information on the above.
FYI, first time poster, long time lurker. Great forum! 27 years of (US Military) helicopter flight and maintenance experience.