Narrative:

Found contract mechanic on our B767-300 aircraft; no escort; working under seat in first class. Was informed by our management that he was trying to fix some modification they did; that they did not finish. Did not see any paperwork; have no idea what he was doing on aircraft. My concern is what is going on with aircraft. Informed visiting FAA inspector; who then went to aircraft for follow up.

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Original NASA ASRS Text

Title: Reporters find unauthorized Contract Mechanic from a maintenance repair facility on their B767-300 performing undocumented work and have him escorted off the aircraft and the aircraft removed from service.

Narrative: Found Contract Mechanic on our B767-300 aircraft; no escort; working under seat in First Class. Was informed by our Management that he was trying to fix some modification they did; that they did not finish. Did not see any paperwork; have no idea what he was doing on aircraft. My concern is what is going on with aircraft. Informed visiting FAA Inspector; who then went to aircraft for follow up.

Data retrieved from NASA's ASRS site as of April 2012 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.