As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:2C, MAIN CABIN SUBFLOOR CENTER TANK UPPER SKIN CORRODED IN LT TUNNEL STA 1266, LBL 106. ACCOMPLISH REPAIR ON CABIN SUBFLOOR CENTER TANK UPPER SKIN IN LT TUNNEL BETWEEN XCW=103.84 AND XCW=81 STRINGER 10 IAW EA 011-5730-01-A5156 AND EO MD11-5730-53801-A.