What was found
EXCESSIVE CORROSION ON OUTPUT SHAFT DRIVE SPLINES.
- Difficulty date
- February 19, 2002
- Submitted
- February 25, 2002
- Operation
- Air carrier
- Aircraft
- N494PH
- Make and model
- Bell 407
- Aircraft serial
- 53396
- Aircraft time
- 2,171 hours
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Shaft
- Part number
- 407040416101
- Part serial
- A85
- Condition
- Corroded
- Location
- T/R Gearbox
- Part time
- 2,172 hours
- Component
- Gearbox · 406040400119
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.