# SDR 2013FA0000606

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2013
- Submitted: October 25, 2013
- Operation: General aviation
- Aircraft: N7938J
- Make and model: Bell 47G-5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (OpenAirDocs)
- Aircraft serial: 25043
- Engine: Lyc VO435B1A
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Grip
- Part number: 74120252101
- Part serial: MO72332
- Condition: Cracked
- Location: Main Rotor
- Stage of operation: AG
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2013FA0000606

## Discrepancy

DURING LOW LEVEL CROP APPLICATION,  PILOT HEARD A LOUD POP FOLLOWED BY VIBRATION,  LANDED ACFT.  NOTICED A CRACK IN THE UNDERSIDE OF THE GRIP DURING A VISUAL INSPECTION.  CRACK WAS APPROX 70 PERCENT ACROSS THE LOWER EAR AT THE MAIN ROTOR BLADE BOLT HOLE.

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