What was found
FOUND A .780 INCH CRACK FOUND IN THE UPPER FRAME DURING INSPECTION OF TAIL BOOM AFTER REMOVAL OF HORIZONTAL STABILIZER. REPLACED THE UPPER AND LOWER FRAMES.
- Difficulty date
- February 27, 2017
- Submitted
- February 27, 2017
- Operation
- Air carrier
- Aircraft
- N146DU
- Make and model
- Bolkms BK117C2
- Aircraft serial
- 9474
- Aircraft time
- 2,406 hours, 6,363 cycles
- System (JASC)
- 5302 · Rotorcraft Tail Boom
- Part
- Frame
- Part number
- B535M2093202
- Condition
- Cracked
- Location
- Tailboom
- Part time
- 2,406 hours, 6,363 cycles
- 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.