TM 1-1520-238-23
1-402.16
Change 11
1.137.
SPECIAL INSPECTION CHECKLIST – continued
Helicopter Serial No.:
Date:
Area
No.
REQUIREMENT
EVERY
Item
Status
Special
Inspection
No.
6
43C
(cont)
INSPECT STRAP PACK BOLTS FOR CRACKS.
(cont)
Perform nondestructive inspection (TM 1-1520-264-23).
NOTE
Inspection may be conducted without removing the lead lag link.
a. Remove center bolt from lead lag link pin (para 5.32).
b. Check bolt for cracks. None allowed.
(1) Perform flourescent penetrant inspection (TM 1-1520-264-23).
(2) Perform ultrasound inspection (TM 1-1520-264-23).
(3) If any cracks are detected, replace strap pack assembly.(para 5.35).
c. Install center bolt in lead lag link pin (para 5.32).
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