TB 212-11-211
Page 5 of 8
ECCN EAR99
17. Reinstall the left hand air inlet cowling (2, Figure 1) without the transition duct
installed and latch in place.
18. With a bright light verify that there is clearance between the N1 jackshaft support
and the forward firewall. If the firewall is still contacting the N1 jackshaft support
please contact Product Support Engineering.
19. Remove left hand air inlet cowling (2).
20. Reinstall the transition duct (2, Figure 4) on the inlet cowling by installing the two
screws (3) and washers (4).
21. Reinstall the left hand air inlet cowling (2, Figure 1) and latch in place.
22. Close and latch transmission cowling (1).
23. Make an entry in helicopter historical service records indicating compliance with Part
2 of this Technical Bulletin.
Figure 1