What was found
FUEL PANEL 532HB HAS FRETTING CORROSION AT RING MATTING SURFACE. ; / [01] REMOVED CORROSION IAW B737 SRM; 57-20-01-2R-1. REPAIR 1; [02] VERIFIED STEP 1 C/W; [03] EVALUATED MATERIAL LOSS ON PANEL 532HB; LOSS OF .005; MAX ALLOWABLE IS .020. WITHIN LIMITS IAW B737 SRM 57-20-01-2R-1.REPAIR 1. FIGURE 203; VIEW B-B. AAR TOOL # 21461. CAL DUE 08/11/22; [04] FLAP PEENED BLENDED AREAS ON PANEL 532HB IAW B737 SRM 57-20-01-2R-1; REPAIR 1.; [05] VERIFIED STEPS 3 AND 4 C/W<BR><BR>OK TO TREAT AND PRIME; [06] TREATED BLENDED AREAS ON PANEL 532HB IAW B737 SRM 57-20-01-2R-1. REPAIR 1; [07] COMPLETED REPAIR OF PANEL 532HB IAW SRM 57-20-01-1 REPAIR 1. ALL STEPS 1-7 COMPLETE.; [08] VOIDING OK TO PRIME ON STEP 5 PER SRM 57-20-01-2R-1 STEP 4K<BR><BR>ALL WORK C/W<BR>AUDIT C/W