What was found
SUPPORT TASK: MAIN CABIN STA 1660-1680 BL0 FLOOR SUPPORT HAS COR ROSION ON UPPER SURFACE. TRANSCRIBED FROM HAECO GSO NRC 9282477 IAW B757-200 DWG 146N5230 AND B757-200 SRM 51-40-02 AND LOCATING AND DRILL NEW HOLES IAW B757-200 SRM 51-40-05 REMOVED CORROSION AT STA 1660-STA1680 BL-O ON FLOOR SUPPORT F FOR PREVIOUS UPDATE HAECO GSO MECH V932611 INSP QC453 FOUND TO BE OUT OF LIMITS IAW B757-200 SRM 53-00-51-1A, BAC DWG V146N5230 REV- AND BAC DWG 146N5650 REV-, TOOL # T8224C REMOVED AND REPLACED WIHT NEW INTERCOSTAL P/N # 1465650-1 REMOVED CORROSION AT STA 1160-STA 1680 BLO-O ON FLOOR INTERCOSTAL P/N 146N5650-1 IAW B757-200 DWG 146N6230 AND B757 SUPPORT FOUND TO BE OUT OF LIMITS IAW B757-200 SRM 200 SRM 51-40-02 AND LOCATRING AND DRILL NEW HOLES IAW 53-00-51-1A,BAC DWG 146N5230 REV- AND BAC DWG 146N5650 B757-200 SRM 51-40-05 HAECO GSO MECH V9325255 INSP Q467 REV-, TOOL T8224C. REMOVED AND REPLACED WITH NEW