What was found
SEAL WAS LEAKING - HAVE NOTICED AN INCREASE IN T/R GEARBOX SEAL FAILURES.
- Difficulty date
- November 3, 2010
- Submitted
- November 23, 2010
- Operation
- General aviation
- Aircraft
- N353MH
- Make and model
- Snias AS350B3
- Aircraft serial
- 3267
- Aircraft time
- 4,483 hours, 30,705 cycles
- Engine
- Tmeca ARRIEL2B1
- Engine time
- 4,057 hours
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Seal
- Part number
- 770441
- Condition
- Unserviceable
- Location
- T/R Gearbox
- Part time
- 838 hours
- Component
- Gearbox
- Component part number
- 350A33020006
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.