What was found
RIGHT SIDE PRESSURE FLOOR SILL FROM FS 409.0+128 TO FS 559 HAS CORROSION AT 9 EA LOCATIONS ALONG RBL 42 AS MARKED. C-CHECK, RO 2/27/15. REMOVED CORROSION FROM 9 LOCATIONS, MARKED ON RT SIDE PRESSURE FLOOR SILL FROM FS 409.0+128 TO FS 559, RBL 42, REF SRM OF ALL LOCATIONS LOWEST REMAINING THICKNESS IN CHEM MILLED POCKET IS .053", LOWEST ALLOWED IS .040". ALL CHEM MILLED BLENDED LOCATIONS IN LIMITS IAW REO. OF ALL LOCATIONS BLENDED IN FLOOR SILL PAD-UP AREA LOWEST REMAINING THICKNESS IS .081" LOWEST ALLOWED IS .055" ALL PAD-UP BLENDED LOCATIONS IN LIMITS IAW REO. A DETAILED VISUAL INSPECTION IS TO BE PERFORMED EVERY 8260 FLIGHT CYCLES IN BLENDED AREA IAW REO.