What was found
DURING REMOVAL OF TURBINE SECTION, A PREVIOUSLY REPAIRED AREA AROUND THE TURBINE SEAL BOSS ON THE GEARBOX COVER HAD DELAMINATED. REPLACED GEARBOX.
- Difficulty date
- October 11, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N5074R
- Make and model
- Hughes 369D
- Aircraft serial
- 1151D
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Seal
- Part number
- 6894171
- Condition
- Delaminated
- Location
- Gearbox
- Part time
- 13,826 hours
- 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.