What was found
FS 409+128, BULKHEAD VERTICAL POSTS CRACKED AT BOTTOM INBD CORNERS LBL 27 & RBL 27. REMOVED SUPPLY AIR FILTER IAW AMM 21-24-01-000-801. REINSTALLED SUPPLY AIR FILTER IAW AMM 21-24-01-400-801. REMOVED SUPPLY AIR FILTER DUCT BY REMOVING & SCREWS FROM THE STRUCTURE. REINSTALLED SUPPLY AIR FILTER DUCT IAW AMM 21-24-01-400-801. REMOVED SUPPLY AIR FILTER DUCT SUPPORT BRACKET ASSEMBLY IAW SRM 51-42-06. REINSTALLED SUPPLY AIR DUCT BRACKET ASSEMBLY IAW SRM 51-42-06. COMPLIED WITH REO 601R-53-41-056 REV F 2011 09 02.