What was found
CUSTOMER REPORTED MAIN ROTOR GEARBOX OUTPUT SEAL P/N: C966-3 WAS LEAKING.
- Difficulty date
- December 17, 2020
- Submitted
- January 5, 2021
- Operation
- General aviation
- Aircraft
- N273S
- Make and model
- Robsin R44RAVENII
- Aircraft serial
- 14283
- Aircraft time
- 240 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Seal
- Part number
- C9663
- Condition
- Leaking
- Location
- M/R Gearbox
- Part time
- 240 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.