# SDR 2000ZZZX800

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2000
- Submitted: April 13, 2000
- Operation: Air carrier
- Aircraft: [N911BH](https://openairdocs.org/aircraft/N911BH), registered now
- Make and model: Bolkms BO105CBS
- Aircraft serial: 685
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Transmission
- Part number: 4638001001
- Condition: Making Metal
- Location: Main Rotor
- Part time: 26 hours
- Stage of operation: LD
- 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/2000ZZZX800

## Discrepancy

UPON LANDING, PILOT REPORTED TRANSMISSION WARNING LIGHT ILLUMINATED.  INSPECTED TRANSMISSION CHIP PLUG AND FOUND FERROUS AND NON-FERROUS MATERIAL.  AC GROUNDED AND REPLACEMENT TRANSMISSION ORDERED.  REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

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