# SDR TZR2005F00004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2005
- Submitted: April 8, 2005
- Operation: Air carrier
- Aircraft: [N405TE](https://openairdocs.org/aircraft/N405TE), registered now
- Make and model: Cessna 401
- Registry model: [Cessna 401](https://openairdocs.org/model/cessna-401) (OpenAirDocs)
- Aircraft serial: 4010121
- Engine: Cont TSIO520*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: T1ST712BCA01
- Part serial: 181819
- Condition: Cracked
- Location: Nr 4
- Part time: 605 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/TZR2005F00004

## Discrepancy

CYLINDER CRACKED FROM EXHAUST VALVE TO TOP SPARK PLUG HOLE.  (K)

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