TM 55-1520-228-BD
GENERAL INFORMATION
MEANINGS
TO INDICATE DAMAGE HAS BEEN ASSESSED AND EVALUATED:
Draw a circle around the damage.
TO INDICATE NO BDAR REPAIR REQUIRED:
Write “OK” inside the circle.
MARKINGS
TO INDICATE STRUCTURAL REPAIRS ARE REQUIRED:
Draw a second line about 1/4 to 1/2
way around the initial circle then
draw slashes or crosshatch between
the two circular lines.
STRINGER REPAIR:
Place an X to the
left and right of the circle.
FRAME REPAIR: Place an X above and
below the circle.
TO INDICATE DAMAGE TO SYSTEMS REQUIRING REPAIRS:
Draw a series of “curly cue” lines about
1/4 to 1/2 way around the initial circle.
TO INDICATE REPAIR INSTRUCTIONS:
For internal damage - draw a dashed
circle around the repair instructions.
For external damage - write repair
instructions but do NOT enclose
with a circle.
Figure 1-3.
Damage Assessment Markings (Sheet 1 of 3)
1-9
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