- Difficulty date
- May 18, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N420MB
- Make and model
- Bolkms BK117A3
- Aircraft serial
- 7077
- Engine
- Lyc LTS101650B1
- Part
- Seal Ring
- Part number
- 410106701
- Condition
- Worn
- Location
- 1st Turb Shroud
- Part time
- 677 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.
What was found
FIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICEABLE LIMITS.