Match drilled F-862B-1 attach plates to F-862-1 rear baggage bulkhead. Drilled #30 holes in F-834-1 aft baggage floor. Drilled #30 holes in F-831-1 R seat floor and F-830-1 L seat floor. Drilled #12 holes for F-837-1 aft control mount. Removed aft control mount and drilled #40 holes for aft platenuts. Drilled L & R F-445 flap blocks to #10. Trimmed corners of L & R flap blocks.
