What was found
COULD NOT GET A GOOD BACKLASH AND CONTACT PATTERN TOGETHER AS REQUIRED BY CURRENT BK117REM305 MANUAL. PART CAME WITHOUT MANUFACTURER'S CONTACT PRINTS MADE AT MANUFACTURING.
- Difficulty date
- February 19, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Bolkms BK117A1
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Bevel Gear
- Part number
- 4639311001
- Condition
- Defective
- 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.