Narrative:

I svced 'B' system hydraulics as a normal function of the 'B' check duties on nov/tue/05 at XA00. I was told on the morning of nov/wed/05 at XA00 that it was possible that I svced aircraft X with a hydraulic bowser that may have been contaminated. Communication between shifts was inadequate. Aircraft was inspected and no contamination was found in the hydraulic system.

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Original NASA ASRS Text

Title: A B737-800 RPTS POSSIBLE CONTAMINATION OF HYD SYS DUE TO SVCING THE SYS WITH A PUMP UNIT THAT MAY HAVE BEEN CONTAMINATED.

Narrative: I SVCED 'B' SYS HYDS AS A NORMAL FUNCTION OF THE 'B' CHK DUTIES ON NOV/TUE/05 AT XA00. I WAS TOLD ON THE MORNING OF NOV/WED/05 AT XA00 THAT IT WAS POSSIBLE THAT I SVCED ACFT X WITH A HYD BOWSER THAT MAY HAVE BEEN CONTAMINATED. COM BTWN SHIFTS WAS INADEQUATE. ACFT WAS INSPECTED AND NO CONTAMINATION WAS FOUND IN THE HYD SYS.

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.