What was found
(CAN) FOUND LT AFT LUG CRACKED ON TRANSMISSION SUPPORT CASE. CRACK FOUND WHEN TRANSMISSION WAS REMOVED FOR NON-RELATED AIRFRAME MAINTENANCE. THIS IS THE THIRD SIMILAR CRACKED CASE WE HAVE OBSERVED.
- Difficulty date
- December 28, 2011
- Submitted
- September 14, 2015
- Operation
- General aviation
- Make and model
- Bell 212
- Aircraft time
- 27,261 hours
- Engine
- Pwa PT6T3B
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Lug
- Part number
- 212040054105
- Condition
- Cracked
- Location
- Transmission
- 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.