What was found
CANNOT GET GEAR PATTERN TO MOVE OFF TOE. TRIED IN TWO DIFFERENT GEARBOXES WITHOUT SUCCESS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- Difficulty date
- April 27, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Bolkms BK117A1
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Bevel Gear
- Part number
- 4639311002
- Condition
- Defective
- Location
- T/R Gearbox
- 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.