What was found
DURING HEAVY MAINTENANCE: PASS CABIN AFT ZONE AT BEAM Y1292 AND FR 66-67 POINT WITH CORROSION; REF. MEX WO 1318489,1327754,1328846 N/R S/N: 00418- FLOOR BEAM AT PAS CABIN, SAFT ZONE, AT BEAM Y1292, BTW FRAMES 66-67 REPLACED I.A.W. SRM 51-72-11-911-001, REV 150.