Originally Posted by rotormatic
The 10 year replacement interval for the "restraint assembly" is only for the newer Cessna's that have airbags in the shoulder harness. This replacement interval is not applicable to older Cessna's that have seat belts.... They should be maintained "on condition".
I suggest you go and read the maintenance manual again. It clearly states that seatbelts are to replaced with a new or rebuilt serviceable item every 10 years.
The aircraft such as my C177 never had airbags in the seatbelts, nor was it ever an option.