What was found
L/H WING; FUEL TANK ACCESS PANEL #532MB; PANEL ATTACH RING; AREAS OF LITE FRETTING ON TOP SIDE OF MOUNT RING; AREAS MARKED IN BLACK / EVALUATED LH WING FUEL ACCESS PANEL 532MB PANEL ATTACH RING FRETTING IAW B737 SRM 57-20-01-1A-1 FIGURE 104 SHEET 7 CIRCLE H. BOND SURFACE AREA EXCEEDS MAXIMUM ALLOWABLE PERCENTAGE; REWORK NOT PERMITTED. ORDERED AND RECEIVED SERVICEABLE PANEL ATTACH RING FOR LH WING FUEL TANK ACCESS PANEL 532MB IAW B737 SRM 52-20-02-0G-0 STEP 9A AND IPC 28-11-11-02A. ATAG #A50611