What was found
ERA 620866 REVISED TO REV A. SECTION I ISSUED FOR CORROSION TO AFT FUSELAGE SKIN SURROUND WASTE SERVICE CUTOUT. FOLLOW ON ACTION REQUIRED. ACCOMPLISH SECTION IV WITHIN 2 FC OF LOG PAGE CREATION. SECTION II REQUIRED EVERY 1000 FH THEREAFTER UNTIL SECTION III. SECTION III REQUIRED WITHIN 10000 FH FROM SECTION I ACCOMPLISHMENT (18SEP24/ 7743 FH). CALCULATED AS 3186 FH FROM REV A. ASSOCIATED ER/A 00-620866 ADDED FOR AC 8143. FROM SBD. PRI 620866 SECTION IV ACCOMPLISHMENT IS REQUIRED AND ERA REVISION A ISSUED PRIOR TO RETURN TO SERVICE. (LP# 1400689; AIRCRAFT WAS GROUNDED)