# SDR BAQA091301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2003
- Submitted: December 8, 2003
- Operation: Air carrier
- Aircraft: [N135MH](https://openairdocs.org/aircraft/N135MH), registered now
- Make and model: Urocop EC135T1
- Registry model: [Urocop EC135T1](https://openairdocs.org/model/eurocopter-deutschland-ec135t1) (OpenAirDocs)
- Aircraft serial: 0131
- Aircraft time: 2,518 hours
- Engine: Tmeca ARRIUS2B1
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Gearbox
- Part number: 4649001007
- Part serial: 236
- Condition: Making Metal
- Location: Tail Rotor
- Part time: 1,679 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BAQA091301

## Discrepancy

TAIL ROTOR GEARBOX IS MAKING METAL.  HARD CARD ENCLOSED. REPLACED WITH SERVICEABLE UNIT.  PART BEING RETURNED.

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