What was found
PRIMARY CAUSE OF DAMAGE TO ACCESSORY DRIVE, PIN CAME OUT OF SLEEVE BUSHING AND DAMAGED ADJOINING COMPONENTS. ENGINE IS STILL UNDER TEARDOWN AND INSPECTION.
- Difficulty date
- February 12, 2020
- Submitted
- June 15, 2020
- Operation
- General aviation
- Aircraft
- N812SB
- Make and model
- Bell UH1H
- Aircraft serial
- 6413553
- Engine
- Lyc T53L13B
- System (JASC)
- 8300 · Accessory Gearboxes
- Part
- Pin
- Part number
- AN122638
- Condition
- Dislodged
- Location
- Accessory Drive
- 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.