As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN L4 PAX DOOR BOTTOM DOOR GATE HAS INTERGRANNULAR CORROSION. CABIN L4 PAX DOOR BOTTOM DOOR GATE CORROSION FOUND EXCEEDED ALLOWABLE DAMAGE LIMITS IAW SRM 52-10-02 FIG 101. GATE ASSY REMOVED AND REPLACED IAW 52-11-38 REV 4. REPAIR IS CLASSIFIED AS MAJOR PER GMM 6-2-100 CRITERIA.