What was found
DURING HEAVY MAINTENANCE: CORROSION CENTER TANK UPPER SKIN, UPPER SURFACE LOC. BTW FRAME 41 AND FRAME 42 AND BTW Y1732 AND Y1292 PASSENGER CABIN; REF AEROMAN W/O 2023 272/1 NR 2023-424808 PERFORMED PERMANENT REPAIR LOC. CENTER TANK UPPER SKIN SURFACE BTW FR41 AND FR42 AND BTW Y1732 AND Y 1292 PASSENGER CABIN IAW EA 57-0261-23 PART 1 REVISION#0 COVER DOSSIER 81252634. REPAIR DWG R57112226 THIS REPAIR IS CATEGORY A. NO REQUIRED FURTHER INSPECTION. MX220 NOT REQUIRED. WORK ACCOMPLISHED BY AEROMAN TECH # 8602115 RII: QC282.