# SDR 97ZZZX4003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N524CA](https://openairdocs.org/aircraft/N524CA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0522
- Engine: Cont TSIO520VB
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Part number: 643207
- Condition: Cracked
- Location: Cyl Nr 2 Stud
- Part time: 1,328 hours
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4003

## Discrepancy

CREW REPORTED OIL LEAK, RIGHT ENGINE.  UPON FURTHER INSPECTION, FOUND 1.25 INCH TO 1.5 INCH LONG CRACK IN CRANKCASE JUST AFT OF NR 2 CYLINDER, SEVENTH STUD, LOCATED IN WEB BETWEEN OIL COOLER MOUNTING AREA AND CYLINDER ATTACH AREA.

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