What was found
SEAL RING EXPANDER - SPRING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- Difficulty date
- June 14, 2000
- Submitted
- November 27, 2000
- Operation
- General aviation
- Aircraft
- N420MB
- Make and model
- Bolkms BK117A3
- Aircraft serial
- 7077
- Engine
- Lyc LTS101650B1
- Engine time
- 4,867 hours, 9,332 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Spring
- Part number
- 410106802
- Condition
- Worn
- Location
- Seal Ring Expand
- Part time
- 523 hours
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.