What was found
DURING INSPECTION, FOUND CORROSION ON INNER SKIN LOCATED FWD PAX CABIN ENTRY DOOR AT FR 20, LEVEL STR 23 LT WITH MEASUREMENT OF L=1.026", W=0.832", D=0.002". APPROXIMATELY, SSI 531180. REPLACED REINFORCEMENT PLATE LOCATED FWD PAX CABIN ENTRY DOOR L1 AT FR 20 AT LEVEL STR 23 LT IAW PRELIMINARY REPAIR INSTRUCTIONS N 529854-14, REV O AND ER INSTRUCTION, N 529854-14.