What was found
PASSENGER CABIN FLOOR STRUCTURE BS 334, RBL 43, CHANNEL HAS AREA OF LIGHT CORROSION. BLENDED CORROSION IAW SRM 51-10-02, ORIG "T" .105 REMAINING .087 LOSS OF .018 LOSS IS OUT OF LIMITS IAW SRM 53-00-04. REPAIRED IAW PRI ER/A 537911-14, REV 0 AND ERA 537911-14, REV ORIGINAL ASSOCIATED ER/A 53-791114 ADDED FOR AC 5640.