What was found
CORROSION FOUND UNDER RT LOWER TORQUE MOUNT FITTING ON MAIN TRANSMISSION CASE.
- Difficulty date
- November 28, 2014
- Submitted
- December 6, 2014
- Operation
- Air carrier
- Aircraft
- N401DC
- Make and model
- Bolkms BK117B2
- Aircraft serial
- 7101
- Aircraft time
- 7,753 hours, 21,800 cycles
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Fitting
- Condition
- Corroded
- Location
- Transmission
- Part time
- 7,588 hours
- Component
- Transmission
- Component part number
- 1171200501
- 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.