Notice N 8900.410
Purpose of This Notice. This notice clarifies the differences between overhaul processes and the inspections that make up required inspection programs under Title 14 of the Code of Federal Regulations (14 CFR) part 91.
Background. There have been several recent issues surrounding the interpretation of whether compliance with the manufacturer’s recommended time between overhaul (TBO) intervals are required under part 91.
The Notice is avialble here in PDF: http://fsims.faa.gov/wdocs/notices/n8900_410.pdf