What was found
L/H LONGERON PRESSURE FLOOR ANGLE FS409+128 TO FS559 CORROSION AS MARKED (C CHECK RO 1/20/22) CORROSION DAMAGE ON L/H LONGERON PRESSURE FLOOR ANGLE FS409+128 TO FS559 REMOVED, ORIGINAL THICKNESS 0.080", DAMAGE REMOVED WAS 0.008", REMAINING THICKNESS 0.072". DAMAGE FOUND TO BE WITHIN LIMITS IAW REO 601R-53-41-666 REV -C DATE: 2012-11-06. RESTORED SURFACE FINISH IAW CRJ 200 SRM 51-21-16. TRESHOLD REPEAT INSPECTION AT 8260 FLIGHT CYCLES. CURRENT FLIGHT CYCLES 36,894 NEXT INSPECTION DUE 45,154 FLIGHT CYCLES. IAW: REO 601R-53-41-666 REV-C- 2012-11-06, SHEET #2. PRESSURE CHECK GOOD IAW AMM21-31-00. / CALIBRATED TOOLS USED: / OLYMPUS 650 EPOC AV8959 CAL DUE OCT2021 / OLUMPUS 600 NORTEC AV8958 CAL DUE OCT2021