Cracks aft end of boom
Boom aft shell section and topping lift bale
Boom aft shell section and topping lift bale backing plate
Boom shell cracks seem to be there in 2010
Boom - port side looks "normal". This pic shows a good view of the forward mandrel plate with the detents for the pawl pin.
Boom - at least 5 rivets have failed, and boom section is pulling away from the bulkhead.
Aft bulkhead showing recess for spherical bearing, self-aligning bearing
The solution to the shearing tension rods.
This is the ball joint termination of the aft end of tension rod.