TORQUE BOX BELOW AUX HYD PUMP WHERE REMAINING PITT MARK WAS AND INSTALLED MS20470AD6 RIVET WITH #10 WASHERS UNDER HEAD AND TAIL OF RIVET. PERFORMED ULTRASONIC THICKNESS MEASUREMENTS ON TORQUE BOX UPPER PANEL UNDER AUX HYD PUMP AFTER REMOVAL OF CORROSION. 8 MEASUREMENTS TAKEN FROM BACK TO FRONT .04 2.042.0

ODED WITH EVIDENCE OF BLUE WATER STAINING. Resolution: RQCI - REMOVED BLUE WATER STAINING AND CORROSION ON RH MLG DOOR AFT UPPER CORNER. PERFORMED ULTRASONIC THICKNESS MEASUREMENTS PER GU LFSTREAM PRODUCT SUPPORT NON- DESTRUCTIVE TESTING PROCEDURES MANUAL 2.0 ULTRASONIC REVISION 25 DECEMBER 15TH, 2017, ON

HRSYSASC 3709:19 44 REF: See Workcard AFL 50000 884 38 50000 49078 53-668-00 SPECIAL DETAILED - INTERNAL WHEEL WELL AFT BULKHEAD INSPECT (ULTRASONIC) THE AFT SIDE OF THE 727 BULKHEAD AT THE FRAME AROUND THE SIX FASTENERS THROUGH THE INNER CHORD AND WEB AT WL 201. MOS 177.97 08-OCT-1999 53.002