What was found
DAMAGE WAS FOUND ON THE AFT SIDE PANEL WEB OF THE MAIN PASSENGER DOOR STAIRS (P/N 601R31701-01, S/N 8029) NEAR THE TOP OF THE 2ND STEP (AT FS 349). THE DAMAGE IS OIL CANNING WITH A DENT PROTRUDING OUTWARD. ONLY THE WEB IS DAMAGED NO INTERNAL STRUCTURE IS AFFECTED. THE DAMAGED AREA MEASURES 8 LONG X 3 WIDE X 0.166 DEEP. TEMPORARY REPAIR IAW STS ENGINEERING EA 09-2011-041. REPEAT INSPECT EVERY 150 FH. WITHIN 800 FLIGHT HOURS, ACCOMPLISH A PERMANENT REPAIR TO THE DAMAGED AREA.