What was found
MOUNTING STUDS, 6 EACH, FAILED SUB-SURFACE AT 90 DEGREE GEARBOX MOUNTING FLANGE (APPARENT TENSILE FAILURE). SUBMITTER SUSPECTED PREVIOUS VIBRATORY OR OVER-TORQUE DAMAGE TO MOUNTING STUDS.
- Difficulty date
- September 21, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N32800
- Make and model
- Bell UH1H
- Aircraft serial
- 6616854
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Stud
- Part number
- AN126420
- Condition
- Failed
- Location
- Tail Rotor
- Component
- 204040012013
- 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.