What was found
FUEL PANEL 532GB 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 532GB; LOSS OF .009. MAX ALLOWABLE IS .020. WITHIN LIMITS IAW B737 SRM 57-20-01-2R-1. REPAIR 1. AAR TOOL #21461. CAL DUE 08/11/22.; [04] FLAP PEENED BLENDED AREAS ON PANEL 532GB 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 532GB IAW B737 SRM 57-20-01-2R-1. REPAIR 1.; [07] COMPLETED REPAIR OF PANEL 532GB 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