# SDR QMLDMG2014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2011
- Submitted: April 26, 2011
- Operation: Air carrier
- Aircraft: N135DU
- Make and model: Urocop EC135T2
- Registry model: [Urocop EC135T2](https://openairdocs.org/model/eurocopter-deutschland-ec135t2) (OpenAirDocs)
- Aircraft serial: 0554
- Aircraft time: 1,551 hours, 4,340 cycles
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Rotor Shaft
- Part number: L623M1006102
- Part serial: FRMB3207
- Condition: Faulty
- Location: Main Rotor
- Part time: 4,788 hours
- 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/QMLDMG2014

## Discrepancy

WHILE TRYING TO ISOLATE A MALFUNCTION WITH THE MAST MOMENT INDICATION SYSTEM THE STRAIN GAGE WAS FOUND TO HAVE ERRATIC READINGS.

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