Narrative:

Mechanic left oil cap on right engine only partially secured. It vibrated loose on takeoff, causing oil loss and a precautionary engine shutdown. Our company does not require pilots to check this cap on walkarounds -- only the access door.

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Original NASA ASRS Text

Title: EMB120 FLC SHUTS DOWN ENG AFTER OIL LOSS.

Narrative: MECH LEFT OIL CAP ON R ENG ONLY PARTIALLY SECURED. IT VIBRATED LOOSE ON TKOF, CAUSING OIL LOSS AND A PRECAUTIONARY ENG SHUTDOWN. OUR COMPANY DOES NOT REQUIRE PLTS TO CHK THIS CAP ON WALKAROUNDS -- ONLY THE ACCESS DOOR.

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.