What was found
NR 2 PYLON O/B FWD. 311N5193-3 SKIN PANEL HAS CORROSION ON INNER SURFACE. REMOVED HINGE TO GAIN ACCESS TO REMOVED SKIN PER SRM 51-40-02, INSTALLED AFT T/R HINGE PER SRM 51-401-02. REMOVED FWD SKIN P/N 311N5193-2 PER SRM 51-40-02, REMOVED CORROSION PER SRM 54-50-01. OUT OF LIMITS IAW SRM 54-50-0. FWD LOWER DOOR CORNER CUTOUT BS 106- 110 ORIG. MAT. .205 REMAINING MAT .0031. RECEIVED NEW SKIN P/N 311N5193-2. LOCATED AND DRILLED NEW SKIN PER SRM 81-40-05 AND INSTALLED NEW SKIN P/N 311N5193-2 PER DRAWING 311N5002 AND SRM 51-40-02. THIS IS A CATEGORY " A" REPAIR MAJOR REPAIR.