What was found
(CAN) INVESTIGATED TGB INPUT SEAL LEAK BY REMOVING SEAL. FOUND CRACK ON RACE OF MAIN PART OF SEAL, NOT CARBON SURFACE.
- Difficulty date
- October 2, 2012
- Submitted
- September 14, 2015
- Operation
- General aviation
- Make and model
- Snias AS350B2
- Engine
- Tmeca ARRIEL1D1
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Seal
- Part number
- 770441
- Condition
- Cracked
- Location
- T/R Gearbox
- Part time
- 639 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.