What was found
NDI INSPECTION REVEALED HEX BOLT WAS CRACKED ON THREADS.
- Difficulty date
- January 28, 2026
- Submitted
- January 28, 2026
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 9427
- Aircraft time
- 4,521 hours, 14,290 cycles
- System (JASC)
- 6210 · Main Rotor Blades
- Part
- Bolt
- Part number
- B621M1061202
- Part serial
- 3923
- Condition
- Cracked
- Location
- Main Rotor
- Part time
- 4,521 hours, 14,290 cycles
- Stage of operation
- IN
- How discovered
- M
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.