# SDR XG3R084839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2003
- Submitted: March 3, 2003
- Operation: Air carrier
- Aircraft: [N26LB](https://openairdocs.org/aircraft/N26LB), registered now
- Make and model: Urocop EC 130 B4
- Registry model: [Urocop EC 130 B4](https://openairdocs.org/model/eurocopter-ec-130-b4) (OpenAirDocs)
- Aircraft serial: 3514
- Aircraft time: 442 hours
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Friction Ring
- Part number: 350A32310121
- Condition: Scored
- Location: M/R Gearbox
- Part time: 442 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XG3R084839

## Discrepancy

MAIN TRANSMISSION INPUT SEAL LEAK REQUIRED REPLACEMENT OF THE BAB-DRR SEAL. REPLACED FRICTION RING ALONG WITH SEAL.   TO PRECLUDE THE INPUT SEAL FROM LEAKING AGAIN THE FRICTION RING WAS REPLACED AT THE SAME TIME.

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