What was found
#2 DRIVE SHAFT COUPLER APPEARS TO HAVE BECOME DEBONDED, AND THE ANTI-SLIPPAGE PIN CANNOT ROTATE, INDICATING A POTENTIAL SLIPPAGE.
- Difficulty date
- January 4, 2023
- Submitted
- January 4, 2023
- Operation
- General aviation
- Aircraft
- N431HC
- Make and model
- Agusta AW109SP
- Aircraft serial
- 22404
- Aircraft time
- 313 hours
- System (JASC)
- 6700 · Rotorcraft Flight Control
- Part
- Coupler
- Condition
- Debonded
- Location
- Drive Shaft
- Part time
- 313 hours, 990 cycles
- Component
- Drive Shaft
- Component part number
- 1098412023
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.