Narrative:

While working on aircraft xyz #1 engine fuel pump on feb/wed/00, I completed an engineering order which entailed changing the engine driven fuel pump. Work was completed the morning of feb/thu/00. Aircraft departed with no problems encountered. While working the night of feb/thu/00, 2 fellow co-workers were working the same engineering order on a different aircraft. They brought to my attention, a step in the preflight handbook that I misinterpreted the night before. The step included a power run, which I did not complete, in entirety, due to misinterp of the preflight handbook. The following evening (feb/thu/00) I checked aircraft history. No trouble noted with the involved engine. The coordinator was contacted and the aircraft was set up for the missed step.

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Original NASA ASRS Text

Title: A B737-200 WAS DISPATCHED IN NON COMPLIANCE WITH A #1 ENG DRIVEN FUEL PUMP REPLACED BUT THE REQUIRED HIGH PWR RUN NOT ACCOMPLISHED.

Narrative: WHILE WORKING ON ACFT XYZ #1 ENG FUEL PUMP ON FEB/WED/00, I COMPLETED AN ENGINEERING ORDER WHICH ENTAILED CHANGING THE ENG DRIVEN FUEL PUMP. WORK WAS COMPLETED THE MORNING OF FEB/THU/00. ACFT DEPARTED WITH NO PROBS ENCOUNTERED. WHILE WORKING THE NIGHT OF FEB/THU/00, 2 FELLOW CO-WORKERS WERE WORKING THE SAME ENGINEERING ORDER ON A DIFFERENT ACFT. THEY BROUGHT TO MY ATTN, A STEP IN THE PREFLT HANDBOOK THAT I MISINTERPRETED THE NIGHT BEFORE. THE STEP INCLUDED A PWR RUN, WHICH I DID NOT COMPLETE, IN ENTIRETY, DUE TO MISINTERP OF THE PREFLT HANDBOOK. THE FOLLOWING EVENING (FEB/THU/00) I CHKED ACFT HISTORY. NO TROUBLE NOTED WITH THE INVOLVED ENG. THE COORDINATOR WAS CONTACTED AND THE ACFT WAS SET UP FOR THE MISSED STEP.

Data retrieved from NASA's ASRS site as of July 2007 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.