What was found
SHAFT HAS FAILED SEVERAL TIMES IN THE LAST 6 MONTHS. THE OIL COOLER ASSY HAS BEEN CHANGED ONCE. WEATHER HASN’T BEEN A PROBLEM. WOULD BE GUESSING TO SAY WHAT WAS CAUSING THE FAILURES.
- Difficulty date
- June 12, 2012
- Submitted
- November 9, 2012
- Operation
- General aviation
- Aircraft
- N955ME
- Make and model
- Bolkms BK117B2
- Aircraft serial
- 7243
- Engine
- Lyc LTS101750B1
- System (JASC)
- 7921 · Engine Oil Cooler
- Part
- Shaft
- Part number
- 1176812301
- Condition
- Failed
- Location
- Transmission
- Component
- Oil Cooler
- Component part number
- 1176802101
- 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.