What was found
AT DISASSEMBLY FOR TRANSMISSIONS FIRST OVERHAUL, FOUND CORROSION IN BORE OF MOUNTING SPLINDLE. CORROSION IN BORE OF CHIP DETECTOR ASSY. CORROSION ON INPUT FLANGE. (X)
- Difficulty date
- June 21, 2000
- Submitted
- July 18, 2000
- Operation
- General aviation
- Aircraft
- N577AL
- Make and model
- Bell 407
- Aircraft serial
- 53247
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Transmission
- Part number
- 407040006107
- Part serial
- A259
- Condition
- Corroded
- Location
- Main Rotor
- Part time
- 2,487 hours
- Component
- Case Assy
- Component part number
- 407040050101
- 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.