# SDR CA070420001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2007
- Submitted: May 1, 2007
- Operation: General aviation
- Make and model: Doug DC-4
- Registry model: [Doug DC-4](https://openairdocs.org/model/douglas-dc-4) (OpenAirDocs)
- Engine: Pwa R20007M2
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 153084
- Condition: Cracked
- Location: Nr 4 Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA070420001

## Discrepancy

(CAN) REPLACED NR 14 CYLINDER ON NR 4 ENGINE, DUE TO CRACK.  AIRCRAFT RETURNED TO SERVICE. (TC NR 20070420001)

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