# SDR HDNA2020060200167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2020
- Submitted: June 2, 2020
- Operation: Air carrier
- Aircraft: [N911XF](https://openairdocs.org/aircraft/N911XF), registered now
- Make and model: Urocop EC135P1
- Registry model: [Urocop EC135P1](https://openairdocs.org/model/eurocopter-deutschland-ec135p1) (OpenAirDocs)
- Aircraft serial: 0167
- Aircraft time: 7,086 hours, 23,808 cycles
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: L621M1010054
- Part serial: 1002
- Condition: Cracked
- Location: Main Rotor
- Part time: 5,228 hours
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HDNA2020060200167

## Discrepancy

ONE EA MAIN ROTOR BLADE FOUND TO HAVE TRAILING EDGE DAMAGED CONSISTING OF A 3.5 INCH CRACK EXTENDING CORD-WISE LOCATED 73 INCHES FROM BLADE ROOT.  DAMAGE SUSPECTED TO BE FROM A LARGE BIRD IMPACT DUE TO BIRD REMNANTS BEING FOUND ON THE LT ENGINE COWLING.  CREW DID NOT REPORT AN IMPACT AND DAMAGE WAS NOTED DURING A ROUTINE INSPECTION.  NO OTHER DAMAGE WAS NOTED ON THE AIRCRAFT.  MAIN ROTOR BLADE WAS REMOVED FROM SERVICE AND RETURNED TO OEM FOR EVALUATION AND REPAIR.

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