# SDR 2007FA0001028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2007
- Submitted: November 21, 2007
- Operation: General aviation
- Aircraft: N4165G
- Make and model: Cessna 402B
- Registry model: [Cessna 402B](https://openairdocs.org/model/cessna-402b) (OpenAirDocs)
- Aircraft serial: 402B1212
- Engine: Cont TSIO520EB
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: TISN712BCA
- Part serial: 3751420
- Condition: Cracked
- Location: Engine
- Part time: 677 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007FA0001028

## Discrepancy

CRACKED CYLINDER HEAD BEHIND INJECTOR BETWEEN FIN NR1, NR3.  DEFECT IN MFG PROCESS.  (K)

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