What was found
TOLERANCES TOO TIGHT, WOULD NOT FIT ON SHAFT CORRECTLY. REMOVED AND REPLACED.
- Difficulty date
- October 8, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Bolkms BK117A3
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Bearing
- Part number
- 4639311003
- Condition
- Mismanufactured
- Location
- T/R Gearbox
- Stage of operation
- IN
- Nature of condition
- W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.