What was found
TAIL ROTOR GEARBOX HAS EXCESSIVE CORROSION ON OUTPUT SHAFT SPLINES.
- Difficulty date
- May 26, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N405PH
- Make and model
- Bell 407
- Aircraft serial
- 53207
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Gearbox
- Part number
- 406040400115
- Condition
- Corroded
- Location
- Tail Rotor
- Part time
- 1,629 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.