What was found
DISCOVERED A CRACK IN THE RT MLG UPPER TORQUE KNEE, DURING A SCHEDULED INSPECTION. THE CRACK WAS IN THE RADIUS TO THE SINGLE BOSS. REPLACED THE UPPER TORQUE KNEE WITH A NEW PART. CRACK DISCOVERED AT 2772 CYCLES SINCE OVERHAUL.
- Difficulty date
- March 4, 2016
- Submitted
- March 7, 2016
- Operation
- Air carrier
- Aircraft
- N237SL
- Make and model
- Beech C99
- Aircraft serial
- U237
- Aircraft time
- 23,004 hours, 36,125 cycles
- System (JASC)
- 3213 · Main Landing Gear Strut/Axle/Truck
- Part
- Torque Knee
- Part number
- 508103237
- Part serial
- EAS4863A
- Condition
- Cracked
- Location
- Rt Mlg
- Component
- Rt Mlg · Beech
- Component part number
- 115810000652
- 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.