A turbine shroud includes a shroud hanger having an arcuate panel from which three inner hooks extend inwardly, and from which two outer hooks extend outwardly therefrom. A curved reflector element is in the path of the imaged light through the prism and disposed at a second surface of the prism, opposite the first surface. Each readout circuit can be associated with a respective pair of columns in the array and can include first and second sample-and-hold circuits. A preform comprising a laminate composed of plural layers of the carbon fiber reinforced substrate, wherein the layers are integrated by means of the first resin. If the supply voltage is below the minimum supply voltage for proper programming, the transfer bit is read as \u201cerased\u201d, and the data transfer is reinitiated. When the write wanted flag is set, new read requesters are denied access to the read lock, however any read requesters that were woken up in order to use the read lock are granted a read lock.