Narrative:

On jun/xy/98, the wet spline on aircraft xyz was drained and re-svced per work card. Engine was also svced with oil per work card and maintenance manual. I believe that engine oil had drained back into gear box cavity because engine required 5- 6 quarts of oil. When engine was started, oil was scavenged back into oil tank that had already been svced full per work card causing engine temperature to move into yellow arc.

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Original NASA ASRS Text

Title: A B737-100 SHORTLY AFTER TKOF RETURNED TO THE FIELD DUE TO #1 ENG HIGH OIL TEMP CAUSED BY THE OIL TANK OVER SVCED.

Narrative: ON JUN/XY/98, THE WET SPLINE ON ACFT XYZ WAS DRAINED AND RE-SVCED PER WORK CARD. ENG WAS ALSO SVCED WITH OIL PER WORK CARD AND MAINT MANUAL. I BELIEVE THAT ENG OIL HAD DRAINED BACK INTO GEAR BOX CAVITY BECAUSE ENG REQUIRED 5- 6 QUARTS OF OIL. WHEN ENG WAS STARTED, OIL WAS SCAVENGED BACK INTO OIL TANK THAT HAD ALREADY BEEN SVCED FULL PER WORK CARD CAUSING ENG TEMP TO MOVE INTO YELLOW ARC.

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.