What was found
VERTICAL BULKHEAD BEAM AT FS 409.00+128, LBL 18.00 LOCAL TO WL 69.00 HAS AN INDICATION NOTED APPROX 0.2 INCH LONG AND SIGNAL AMPLITUDE OF 80 PERCENT FULL SCREEN HEIGHT ON THE OTBD C-CHANNEL AFT RADIUS APPROX .5 INCHES BELOW TOP OF POST. REMOVED DAMAGED POST ASSY AND AIR FILTER BRACKETS IAW SRM 51-42-06. FABRICATED STIFFENER. HEAT TREATED STIFFENER IAW SRM 51-24-21 AND DWG 601R32208 AND HEAT TREATED TO AMS 2770H. LPI FABRICATED STIFFENER IAW NDM 51-20-08. NO INDICATIONS NOTED. INSTALLED POST AND AIR FILTER BRACKET IAW REO 610R-53-41-820 REV A & SRM 51-42-06.