# SDR QMLA2009021209006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2009
- Submitted: February 17, 2009
- Operation: Air carrier
- Aircraft: [N577LF](https://openairdocs.org/aircraft/N577LF), registered now
- Make and model: Urocop EC135P1
- Registry model: [Urocop EC135P1](https://openairdocs.org/model/eurocopter-deutschland-ec135p1) (OpenAirDocs)
- Aircraft serial: 0140
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Gearbox
- Part number: 4649010006
- Part serial: 1008
- Condition: Cracked
- Location: Main Rotor
- Part time: 2,717 hours
- Stage of operation: AA
- How discovered: D
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2009021209006

## Discrepancy

FOUND MR GB HOUSING CRACKED AT NR1 INPUT PINION FLANGE. PERFORMED DYE PENETRANT INSPECTION TO CONFIRM CRACK.

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