What was found
LABYRINTH SEAL IS EXCESSIVELY GROOVED FROM GP DISC KNIFE EDGES. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- Difficulty date
- January 21, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N117MA
- Make and model
- Bolkms BK117A3
- Aircraft serial
- 7107
- Engine
- Lyc LTS101650B1
- System (JASC)
- 7250 · Turbine Section
- Part
- Seal Assy
- Part number
- 411104055
- Condition
- Grooved
- Location
- Labyrinth
- Part time
- 439 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.