As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPPER FUSELAGE SKIN HAS CORROSION AT APPX B STA 1787 BETWEEN S4R AND S6R JUST FWD OF APU INLET DOOR AS MARKED 034-001 B757-53-3-6 042. REMOVED APU INLET DOOR, REPLACED SURROUNDING SKIN STRAP. REINSTALLED APU INLET DOOR IAW SUA 49-15-08-004-001, SRM 51-40-02, AMM 49-15-08-404-008 AND DWG 148N3138.