Article 24 Section 9 Handles individual Grievances
Article 24 Section 10 Handles Office Grievances or Union-Management Grievances (UMGs)
Here is the standard SSA-2048 which you can fill out on the computer.
(CAUTION YOU CANNOT SAVE THIS!)
SSA-2048 Which you can fill out by hand.
A good write up on what a grievance is all about. "Grievances" By William Ossmer