# SDR HDNA201612220001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2016
- Submitted: December 23, 2016
- Operation: Air carrier
- Aircraft: [N145UC](https://openairdocs.org/aircraft/N145UC), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9545
- Aircraft time: 1,546 hours, 4,647 cycles
- System (JASC): [5350 · Aerodynamic Fairings](https://openairdocs.org/jasc/5350)
- Part: Frame
- Condition: Cracked
- Location: Tailcone
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HDNA201612220001

## Discrepancy

DURING INSPECTION, FOUND CRACK IN THE TAIL CONE BS 6616. STOPPED DRILLED THE CRACK, INSPECTED FOR ADDITIONAL CRACKING, FABRICATED, INSTALLED DOUBLER, & REPAIRED.

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