# SDR AUS20021053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2002
- Submitted: October 16, 2002
- Operation: General aviation
- Make and model: Bell 47G-5A
- Registry model: [Bell 47G-5A](https://openairdocs.org/model/bell-47g-5a) (OpenAirDocs)
- Engine: Lyc VO435B1A
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: 72469
- Condition: Cracked
- Location: Reciprocating En
- Component: Reciprocating En, Lyc, VO435B1A
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20021053

## Discrepancy

(AUS) CRANKSHAFT CRACKED. CRACK RAN THROUGH THE OIL GALLERY, ACROSS THE THRUST FACE AND THROUGH THE OPPOSITE OIL GALLERY. CRACK EXTENDS THROUGH ALMOST 60% OF THE CIRCUMFERENCE OF BEARING JOURNALSURFACE.

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