# SDR HDNA2021102810008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2021
- Submitted: October 28, 2021
- Operation: Air carrier
- Aircraft: [N911XB](https://openairdocs.org/aircraft/N911XB), registered now
- Make and model: Urocop EC135T1
- Registry model: [Urocop EC135T1](https://openairdocs.org/model/eurocopter-deutschland-ec135t1) (OpenAirDocs)
- Aircraft serial: 0154
- Aircraft time: 13,246 hours, 39,911 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: None
- Condition: None
- 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/HDNA2021102810008

## Discrepancy

FRAME 5 CRACK DISCOVERED DURING HEAVY MX EVENT.  REPAIR IAW REFERENCE 51-20-00 : 1,2,3,4,5

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