What was found
PAX CABIN, CREW DOOR CUTOUT, LOWER SILL BEAM I/B FLANGE WITH CORROSION LOC. AT FR67+450MM. C/A: PERFORMED REPAIR AT PASSENGER CABIN, CREW DOOR CUTOUT LOWER SILL BEAM I/B FLANGE FROM FR67+290MM TO FR68 I/A/W DELTA ER/A #636581-14 SECTION I REV ORIGINAL DATED 11-SEP-26. NOTE: THIS IS A PERMANENT REPAIR WITH NO ADDITIONAL REQUIREMENTS. ASSOCIATED ER/A 00-636581 ADDED FOR AC 3253. (LP: 1818280, AIRCRAFT WAS GROUNDED)