# SDR QMLA2025021020015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2025
- Submitted: February 11, 2025
- Operation: Air carrier
- Aircraft: [N102HN](https://openairdocs.org/aircraft/N102HN), registered now
- Make and model: Urocop EC135P1
- Registry model: [Urocop EC135P1](https://openairdocs.org/model/eurocopter-deutschland-ec135p1) (OpenAirDocs)
- Aircraft serial: 0159
- Aircraft time: 12,927 hours, 45,334 cycles
- System (JASC): [6420 · Tail Rotor Head](https://openairdocs.org/jasc/6420)
- Part: Cotter Pin
- Condition: Missing
- Location: Tail Rotor
- 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/QMLA2025021020015

## Discrepancy

YAW SERVO ACTUATOR BRACE HAD A MISSING COTTER PIN ON POST FLIGHT INSPECTION. VERIFIED TORQUE ON T/R NUT. INSTALLED COTTER PIN. ALL MAINTENANCE COMPLETED. AIRCRAFT RELEASED TO REVENUE SERVICE. #MEC-005650

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