Narrative:

I signed for the inspection block for completion of aco (aircraft change order) on aircraft. The cover sheet did in fact address this aco as a major alteration; which requires an airworthiness release in the logbook. I did not notice the 'major alteration' and did not put an airworthiness release in the logbook. My opinion is that this aco was not a major alteration as the eyebrow windows are bolted on and the new plugs are also bolted on to the fuselage. Other examples of bolt on parts include GPS antennas and air phone antennas; TCAS antennas. These parts are not considered 'major alteration parts.' I guess if our engineering department says it's a major I'll go with that and be sure to sign an airworthiness release in the future.

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Original NASA ASRS Text

Title: A B737-700 HAD AN EYEBROW WINDOW MODIFICATION PER AUTH ACFT CHANGE ORDER. COVER SHEET ON PROCS DID NOT INDICATE THIS WAS AN ALTERATION AND REQUIRED AN AIRWORTHINESS RELEASE SIGNED IN LOGBOOK.

Narrative: I SIGNED FOR THE INSPECTION BLOCK FOR COMPLETION OF ACO (ACFT CHANGE ORDER) ON ACFT. THE COVER SHEET DID IN FACT ADDRESS THIS ACO AS A MAJOR ALTERATION; WHICH REQUIRES AN AIRWORTHINESS RELEASE IN THE LOGBOOK. I DID NOT NOTICE THE 'MAJOR ALTERATION' AND DID NOT PUT AN AIRWORTHINESS RELEASE IN THE LOGBOOK. MY OPINION IS THAT THIS ACO WAS NOT A MAJOR ALTERATION AS THE EYEBROW WINDOWS ARE BOLTED ON AND THE NEW PLUGS ARE ALSO BOLTED ON TO THE FUSELAGE. OTHER EXAMPLES OF BOLT ON PARTS INCLUDE GPS ANTENNAS AND AIR PHONE ANTENNAS; TCAS ANTENNAS. THESE PARTS ARE NOT CONSIDERED 'MAJOR ALTERATION PARTS.' I GUESS IF OUR ENGINEERING DEPT SAYS IT'S A MAJOR I'LL GO WITH THAT AND BE SURE TO SIGN AN AIRWORTHINESS RELEASE IN THE FUTURE.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.