As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT FUSELAGE MAIN CABIN, LT OTBD UPPER GUSSET PN 170-60261-001 AT FRAME 90 Y=489.0 HAS CORROSION. ACCOMPLISHED PERMANENT REPAIR BY REPLACEMENT OF AFT MAIN CABIN LT OTBD UPPER GUSSET PN 170-60261-001 AT FRAME 90 Y=-489.0 IAW EO NO E175-5300-123 REV IR ON WO 1958236 & 19451292C6.