# SDR AU990509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cessna 402B
- Registry model: [Cessna 402B](https://openairdocs.org/model/cessna-402b) (OpenAirDocs)
- Engine: Cont TSIO520E
- Propeller: Mcauly 3AF32C87
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: 649985
- Condition: Cracked
- Location: Engine
- 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/AU990509

## Discrepancy

(AUS) RT ENGINE CRANKSHAFT CRACKED IN THE AREA OF THE COUNTERWEIGHT BUSHING.  FOUND DURING ULTRASONIC INSPECTION IAW TCM CSB99-3A AND AD/CON/79.

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