What was found
DURING HEAVY MAINTENANCE, CORROSION STRINGER 43L LOC BTW FR57 TO FR 58 IN AFT CARGO COMPARTMENT; REMOVED CORROSION ON AFFECTED AREA IAW A320 SRM 51-74-00 AND EVALUATED REWORK AREA AND FOUND OUT OF LIMITS IAW SRM A320 53-41-13-283-002 FIGURE 1 SHEET1 THEN PERFORMED REPAIR ON STGR 43L BTW FR 57 TO FR 58 IAW A320 SRM 53-00-13-300-001 THIS REPAIR IS A CATEGORY B INSPECTION THRESHOLD FROM TIME TO ADL/REPAIR EMBODIMENT FC 60000 FH 120000 SUBSEQUENT INSPECTION AT INTERVALS TBD INSPECTION METHOD TBD IAW SRI 53-00-13-205-001. CLASSIFIED AS MAJOR REPAIR.