# SDR TI1R001388

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2001
- Submitted: August 15, 2001
- Operation: Air carrier
- Aircraft: [N317MC](https://openairdocs.org/aircraft/N317MC), registered now
- Make and model: Bolkms BK117C1
- Aircraft serial: 7505
- Engine: Tmeca ARRIEL1
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Transmission
- Part number: 4639003007
- Part serial: 473
- Condition: Making Metal
- Location: Tail Rotor
- Part time: 2,447 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TI1R001388

## Discrepancy

TAIL ROTOR TRANS,  CHIP LIGHT ILLUMINATED, FOUND SEVERAL LARGE FLAT FLAKES ON PLUG.  REMOVED AND REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.