THRUST REVERSER ASSEMBLY LATCHES The C-ducts are latched together with seven latches: - The number 1 latch is mounted on the front frame and is operated by a remote lever- The number 2 to 7 latches are mounted on the 6 o'clock beam. Latches 3 and 4 are the shear-pin type and are accessible through the latch access and overpressure relief doors. The latches 1, 2, 5, 6 and 7 are of hook type. A take-up device is installed between latches 3 and 4 that is used to pull the thrust reverser cowl doors together until you can fasten the latches easily.NOTE: - You must not open the C-ducts if wind speed is 46 MPH (73 KMH) or more - Before opening the C-ducts the thrust reverser must be deactivated - The take-up device must be operated before to release the latches - The opening sequence is latches number 2, 5, 6, 7, 1, 3, 4- The closing sequence is latches number 3, 4, 1, 7, 6, 5, 2