What was found
P/N 601R10929-155 PLATE ASSEMBLY WAS NOTED TO BE MISSING FROM THE RIGHT WING INBOARD FLAP HINGE BOX INSTALLATION AT WS = 80.50. NO WEAR OR OTHER TYPE OF DAMAGE WAS NOTED IN THE AREA OF THE MISSING PLATE ASSEMBLY AND ALL FASTENERS WERE SECURE (SAFTIED WITH LOCKWIRE AND COTTER PINS). TEMPORARY REPAIR IAW STS ENGINEERING EA 5-2010-299. INSTALL A REPLACEMENT PLATE ASSEMBLY AT THE NEXT SCHEDULED C-CHECK NOT TO EXCEED 5,000 FLIGHT HOURS.