What was found
DURING C21 MAINTENANCE CHECK AT HAECO AMERICAS,MAINTENANCE FOUND FWD CARGO DOOR CUTOUT, LOWER TORQUE BOX WEB UPPER SURFACE IS CORRODED FROM APPROX STA 515-544 RBL 25 - 35 (MARKED). REMOVED CORRODED TORQUE BOX WEB, FABRICATED NEW WEB AND REINSTALLED NEW WEB IAW B767-300 SRM 51-40-02, 51-40-05, 51-20-01, AMM 51-21-10, & BAC DWG 143T5014 REV B. REPAIRED PER ABX-REA-5330-65042-00 AND REO-G24485 REV IR