What was found
DURING INSPECTION OF LH WING LOWER PLANK ACCESS HOLE FRETTING FOUND (510AB) (C CHECK) RO 3/2/2020 ACCOMPLISHED REPAIR OF LH LOWER WING PLANK ACCESS PANEL LANDING 510AB IAW REO. BLEND WAS FOUND OUTSIDE OF CRITICAL AREA. ORIGINAL .182, REMOVED .005, REMAINING .177 NO FURTHER INSPECTION REQUIRED. BOND CHECK GOOD. LEAK CHECK GOOD. MILLIOHMETERAV 6346 AUG 20, PIN POINT MIC AV8098 DEC 20, EDDY CURRENT AV 8958 JUL 20, ULTRASONIC AV 8959 JUL 20, TACH AV 1335 JUL 20, REGULATOR AG 1157 OCT 20, TORQUE WRENCH AV7330 NOV20.