What was found
DURING HEAVY MAINTENANCE: CORROSION ON BEAM BTW FR13 AND Y:250 LH APPROX AT CABIN FLOOR STRUCTURE (W1); REF TOMX WO 2563 NR 00125. BEAM BTW FR13 AND Y:250 LH APPROX AT CABIN FLOOR STRUCTURE (W1) WAS REPLACED PER EMB190 SRM 51-43-03, SRM 51-43-04, SRM 51-40-01, SRM 51-41-02.