What was found
CORROSION AT INTERNAL FUSELAGE SKIN ON STA Y=636 TO Y=655 BTW STR 29LH AND STR 29RH AT FWD CARGO COMPARTMENT. SUMMARY OF NRC 00189: CORROSION LEVEL 2. CORROSION AT INTERNAL FUSELAGE SKIN ON STA Y=636 TO Y=655 BTW STR 29LH AND STR 29RH AT FWD CARGO COMPARTMENT WAS REPAIRED PER ER/A 606467-14 REV ORIGINAL SECTION 1 (PERMANENT REPAIR) AND PRI 606467-14 REV 0 TO 4. INSPECTION REQUIREMENTS: ACCOMPLISH SECTION II: REPETITIVE INSPECTIONS EVERY 8,000 FLIGHT CYCLES AFTER SECTION I: PERMANENT REPAIR IAW ER/A. ASSOCIATED ER/A 14-606467 ADDED FOR AC 9511. (LP #2667225)