What was found
MCN - DURING C24 CHECK DISCOVERED CORROSION ON THE AFT CARGO COMPARTMENT DOOR, LOWER DOOR SURROUND STRUCTURE WEB FROM BS 800 TO BS 847, WL 158 AND FROM BL 17R TO BL 22R. MAINTENANCE REMOVED AND INSTALLED NEW WEB AT THE AFT CARGO DOOR CUTOUT FROM BS 800 TO BS 847, WL 158 AND FROM BL 17R TO BL 22R IAW BOEING 737-300 SRM 51-40-02-0G FIGURES 9 AND 10.