bnt83
Final Approach
SID = Supplemental Inspection Document
http://www.casa.gov.au/wcmswr/_assets/main/airworth/awb/02/048.pdf <issued on April 7, 2014.
The investigations identified critical areas of principal structural elements (PSEs) on the aircraft that have been proven, through service-life experience, to be susceptible to fatigue or corrosion damage. In many cases these PSEs have not been seen or inspected since the aircraft was manufactured as long as 40 years ago or more.
The SIDs programs, successively developed by Cessna for all 400, 300, 200 and 100 series aircraft, provide an inspection regime to ensure the structural integrity of the airframe is maintained. These supplemental inspections complement those inspections undertaken during existing scheduled maintenance activities, as the failure of such PSEs could result in catastrophic loss of the aircraft.
In addition, the SIDs also introduce fixed retirement lives for each aircraft model series, beyond which the continued airworthiness of the aircraft can no longer be assured (refer to the applicable SIDs for the relevant Cessna aircraft series).
http://www.casa.gov.au/wcmswr/_assets/main/airworth/awb/02/048.pdf <issued on April 7, 2014.
The investigations identified critical areas of principal structural elements (PSEs) on the aircraft that have been proven, through service-life experience, to be susceptible to fatigue or corrosion damage. In many cases these PSEs have not been seen or inspected since the aircraft was manufactured as long as 40 years ago or more.
The SIDs programs, successively developed by Cessna for all 400, 300, 200 and 100 series aircraft, provide an inspection regime to ensure the structural integrity of the airframe is maintained. These supplemental inspections complement those inspections undertaken during existing scheduled maintenance activities, as the failure of such PSEs could result in catastrophic loss of the aircraft.
In addition, the SIDs also introduce fixed retirement lives for each aircraft model series, beyond which the continued airworthiness of the aircraft can no longer be assured (refer to the applicable SIDs for the relevant Cessna aircraft series).
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What little remains of private aviation down under might cease to exist with this onus laid upon them. The SIDS document for a Cessna 150 is nearly 300 pages and the inspection instructions in it often read as though they had been written by a guy at a computer with a cup of coffee, a doughnut and an exploded IPC diagram who has never actually seen the real airplane. He may also be a guy who is heavily invested in the NDT industry as they want you to disassemble and eddy-current test virtually every part on the airplane.
