TB 1-1670-260-12
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3.3.2.7 The following empennages are inspected for cracks, permanent deformation,
and loose or missing fasteners:
3.3.2.7.1 Lower deck caps, webs, and panel breakers.
3.3.2.7.2 Side skins, lower to upper shear deck.
3.3.2.7.3 Stringers, lower to upper shear deck.
3.3.2.7.4 Forward spar, lower to upper shear deck.
3.3.2.7.5 Fold bulkhead tension joints and associated hardware.
3.3.3 Transmission Capability Plot the same point on the graph below.
UH-60A/L UMARK Transmission System
Capability
UH-60A XMSN
UH-60L XMSN
23,000
22,000
21,000
20,000
19,000
18,000
17,000
16,000
15,000
14,000
13,000
C.G. (in)
Figure 7. UMARK Transmission System Capability
3.3.3.1 If the point is below the appropriate line for the model of aircraft recovered no
corrective action is required.
3.3.3.2 If the point is above the appropriate line for the model of aircraft recovered the
gearbox must be removed and returned to depot for inspection.