# SDR QMLA2012021412019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2012
- Submitted: February 17, 2012
- Operation: Air carrier
- Aircraft: N142LN
- Make and model: Urocop EC 135 P2
- Registry model: [Urocop EC 135 P2](https://openairdocs.org/model/eurocopter-deutschland-ec-135-p2) (OpenAirDocs)
- Aircraft serial: 0344
- Aircraft time: 3,167 hours, 12,143 cycles
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: L621M1010056
- Part serial: 1774
- Condition: Cracked
- Location: Main Rotor
- Part time: 3,256 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/QMLA2012021412019

## Discrepancy

FOUND A CRACK ON TOP OF 1 OF THE MAIN ROTOR BLADES WHILE PERFORMING A DAILY PREFLIGHT INSPECTION AT STA 1310 MM.  THE CRACK WAS APPROX 6 INCHES LONG CHORD WISE.  THE CAUSE OF THIS CRACK IS STILL UNDER INVESTIGATION.  THE BLADE WAS REPLACED AND THE ACFT WAS RETURNED TO SERVICE.

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