c. Interval Columns. The three interval columns (D, W, and M) indicate when to
perform the checks. For example, a dot () in the W column indicates that the item
listed on the same line in the next column should be checked weekly.
d. Item to be Inspected/Procedure Column.
The item to be inspected is described and illustrated.
to be Inspected.
The procedure by which the check is performed and results are
e. Equipment Not Ready/Available if Column. The criteria that will cause the
equipment to be classified as not ready/available for readiness purposes are