What was found
DURING HEAVY MAINTENANCE, WEIGHT VARIANT UPGRADE - SRM REPAIR SURVEY, DEFECTS 153 6503, 7265500087; (RESOLVED ON W/O: 1474396 TASKCARD: NR-00037 ) PERFORMED PERMANENT REPAIR LOCATED ON LOWER FUSELAGE AT FR68 PLUS 14 INCH AND BTW STR42L TO STR43L, THIS REPAIR IS CATEGORY B IAW SRM-53-41-11-300-036. INSPECTION THRESHOLD FROM AIRCRAFT FIRST FLIGHT AT 60000 FC (FH NOT RELEVANT), SUBSEQUENT INSPECTION AND INSPECTION METHOD TBD IAW SRM 53-41-11-205-131 STEP 2.A. FIGURE 001. AND TABLE 1.