Used to secure the door lock release mechanism and alternate extend system to prevent inadvertent door operation during maintenance.

Used to secure the NLG door safety valve and prevent inadvertent actuation during ground operations.

Used to hold the NLG or MLG oleo in the compressed position when the airplane is being jacked.

Used to support the forward center section of the horizontal stabilizer and the jackscrew hoist assembly during installation / removal of the stabilizer trim jackscrew.

Used to safely install seals on all doors.