# SDR DYVA0001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2003
- Submitted: February 10, 2003
- Operation: Air carrier
- Aircraft: N2655B
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0698
- Engine: Cont GTSIO520L
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Part number: TCM642135
- Condition: Cracked
- Location: Engine
- Part time: 1,772 hours
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DYVA0001

## Discrepancy

DURING ROUTINE INSPECTION.  CRACK IN CRACKCASE AT GEAR REDUCTION HOUSING.  ENGINE REMOVED FOR REPAIR.  CRACK LENGTH 1 INCH.  SEEPING OIL.  NDT VERIFIED CRACK.

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