What was found
DURING X-RAY INSPECTION OF AFT PRESSURE BULKHEAD VENTRAL STAIR DOOR FRAME A1.375 INCH CRACK WAS NOTED AT UPPER LEFT CORNER APPROX 6 INCH OUTBOARD OF CENTER RADIUS AT 11 O'CLOCK POSITION. DETAILED LOW FREQUENCY EDDY CURRENT AND A DETAILED VISUAL INSPECTION OF AREA REVEALED THAT CRACK WAS IN THE LAV WALL COVERING (PLASTIC). THIS WAS CONFIRMED BY PLACING THE X-RAY FILM AND THE WALL COVERING TOGETHER. THE CRACK IN THE COVERING WAS EXACTLY THE SAME AS ON THE FILM. (M)