What was found
PASSENGER CABIN FLOOR SUPPORT UPPER LANDING, LBL 9 FROM APPROX. BS 409 + 16 - 409 + 112 HAS SURFACE CORROSION. BLENDED THE SURFACE CORROSION ON THE PASSENGER CABIN FLOOR BEAM UPPER LANDING . PERFORMED UT REMAINING THICKNESS MEASUREMENT WITH REFERENCE TO NDTM PART 4 51-00-001 AND FOUND TO BE ACCEPTABLE PER REO 601R-53-00-005 DATED: 2011/01/06 REV -B. PERFORMED EDDY CURRENT INSPECTION OF THE BLENDED AREAS WITH REFERENCE TO NDTM PART 1 51-20-06 AND NDTM PART 6 53-00-096 WITH NO CRACKS FOUND. RESTORED THE SURFACE FINISH WITH REFERENCE TO THE SRM 51-21-16, SRM 51-21-11 AND SRM 51-25-00. COMPLETED THE CORROSION FINDINGS REPORT. COMPLIED WITH TASK CARD 51-900-1003-SKY. COMPLETED M-337.