What was found
DURING HEAVY MAINTENANCE: PASS CABIN, AFT ZONE, AT BEAM Y1292 AND FRAMES 67-68 (3 POINTS) WITH CORROSION; REF. MEX. 1318489,1327754,1328846 - N/R S/N: 00417 - FLOOR BEAM AT PASS CABIN, AFT ZONE, AT BEAM Y1292, BTW FR 67-68 REPLACED. I.A.W. SRM 51-72-11-911-001, REV 150.