TM 10-1670-300-20&P TO 14D1-2-469-2 NAVAIR 13-1-42 Table 2-1. Unit Preventive Maintenance Checks and Services Location Interval Procedure Not Fully Mission Capable If: Item No Item to Check/Service FF-2 Release Ensure six front and one rear Six front and one rear case LOADED & case half screws (1) are present.   half screws (1) are not UNLOADED Ensure sealant (2) is present on present.  Sealant (2) is not Front and Rear bottom center case screw on present on bottom center case Case Halves front case half.  Ensure screw on front case half. information data plate (3) is Information data plate (3) is present and secured with four not present, not secured with screws.  Ensure information data   four screws.  Information plate (3) is not scratched or data plate (3) is scratched or damaged and all information is damaged or information is present.  Millibar indicator not present.  Millibar window (4) and frame (5) are indicator window (4) and secured with two screws. frame (5) are not secured Ensure window (4) is not with two screws.  Window (4) scratched or broken.  Millibar is scratched or broken. dial knob frame (6) is secured Millibar dial knob frame (6) with three screws and is not is not secured with three dented or damaged.  On rear, screws or is dented or manufacturers plate (7) is not damaged.  Manufacturers scratched or dented.  Reset plate (7) is scratched or access port frame (8) is secured    dented.  Reset access port with two screws.  Ensure reset frame (8) is not secured with access port frame (8) Is not two screws.  Reset access port dented, scratched or damaged. frame (8) is dented, scratched Reset access port plug screw (9)  or damaged.  Reset access is present.  Reset indicator port plug screw (9) is not window (10) and frame (11) present.  Reset indicator secured with four screws, window (10) and frame (11) window (10) is not scratched, not secured with four screws, frame (11) is not dented or window (10) is scratched, damaged.  Ensure case half frame (11) Is dented or protective coating is not damaged.  Case half scratched or chipped. protective coating is scratched or chipped. FF-2 Release Ensure log record book (12) is Log record book (12) is not Log Record Book present and inspect for entries present or any log entries are pertaining to initial and questionable. subsequent altitude test. 2-12