What was found
(CAN) DURING ROUTINE REPLACEMENT OF SWASHPLATE BEARING IT WAS NOTICED THAT THE BOLTS THAT RETAIN THE EPICYCLIC HAD FAINT SPIRAL MARKS ON THE RECESSED SHANK OF THE BOLTS. (TC# 20190814008)
- Difficulty date
- July 31, 2019
- Submitted
- August 17, 2020
- Operation
- General aviation
- Make and model
- Snias AS350B3
- Aircraft time
- 6,635 hours
- Engine
- Tmeca ARRIEL2B1
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Bolt
- Part number
- 350A37102420
- Condition
- Damaged
- Location
- Main Gearbox
- Part time
- 6,515 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.