As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXFOLIATION CORROSION AT STA 1862 BELOW ELEVATOR AUTOPILOT SERVOS ON WEB SHELF. REMOVED AND REPLACED WEB PLATE P/N 148N9203-16 AT STA 1862 B/W R BL30 TO LBL30 IAW SRM 51-40-02 AND DWG 148N9203. REINSTALLED 4EA FITTINGS FROM STA 1862 IAW SRM 51-40-02. PERFORMED RII INSPECTION