As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT AFT PASSENGER DOOR LOWER SILL OUTER CHORD BS 1635 TO 1680 HAS EXFOLIATED CORROSION AROUND FASTENER HOLES. REMOVED THRESHOLD, END CAPS AND FWD END, AFT LOWER SILL CHORDS IAW SRM 51-40-02, LOCATED AND DRILLED AND DUBURRED NEW SILL CHORDS IAW B757-200 SRM 51-30-01. INSTALLED NEW SILL CHORDS , THRESHOLD AND CAPS ON FWD AND AFT END OF THRESHOLD IAW SRM 51-40-02 AND AMM 38-31-02-424-070.