As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5654 N REF NRC. 00396: CORROSION ON CHANNELS BTW STA 1639 TO STA 1681 IN LBL 52 ALSO CHANNEL BTW STA 1639 TO 1659 IN BL 0.00 AT PASSENGER CABIN. CORRECTIVE ACTION: SUMMARY OF NRC 00475. CHANNELS BTW STA 1639 TO STA 1681 IN LBL 52 ALSO CHANNEL BTW STA 1639 TO 1659 IN BL 0.00 AT PASSENGER CABIN WERE REPLACED PER B757-200 SRM. (0759698)