As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT ENGINE MOUNT MATING SURFACE FOUND WITH CORROSION. CORROSION REMOVED AND CLEANED-UP PER CMM 71-20-05 REPAIR 3 TABLE 601 REV 50 AND FOUND WITHIN LIMITS AS PER CMM 71-20-05 FIGURE 501 REV 50. ORIGINAL MATERIAL THICKNESS= 0.125", MATERIAL REMOVED= 0.002", MATERIAL REMAINING= 0.423". FPI CARRIED OUT FOUND NO CRACK EVIDENT. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100 REV 111.