Narrative:

While working down cycle inspection of big engine pw 4000 in engine shop flow line area and routing of piece parts from the # 1.5 bearing assembly; the big engine pw 4000 engineering document for inspection; refers you to the small engine pw 4000 engineering document for routing of specific parts. While scheduling the 1.5 bearing support assembly; I accidentally looked at the wrong engine type engineering document for inspection; since both books were open and needed for routing of parts. A job card was made using the wrong part number (P/north) which resulted in scheduling the wrong cleaning process for the material type of the part. The part is waiting engine engineering disposition since it was etched/damaged.

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Original NASA ASRS Text

Title: An Engine Inspector reports he had inadvertently ordered a cleaning process for a big PW4000 engine on the number 1.5 bearing support assembly; using an engineering document for a small PW4000 series engine. The bearing support assembly was etched and damaged by the incorrect procedure.

Narrative: While working down cycle inspection of big engine PW 4000 in engine shop flow line area and routing of piece parts from the # 1.5 bearing assembly; the big engine PW 4000 engineering document for inspection; refers you to the small engine PW 4000 engineering document for routing of specific parts. While scheduling the 1.5 bearing support assembly; I accidentally looked at the wrong engine type engineering document for inspection; since both books were open and needed for routing of parts. A job card was made using the wrong part number (P/N) which resulted in scheduling the wrong cleaning process for the material type of the part. The part is waiting engine engineering disposition since it was etched/damaged.

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.