# SDR 2001F00115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2001
- Submitted: July 16, 2001
- Operation: Air carrier
- Aircraft: [N7780B](https://openairdocs.org/aircraft/N7780B), registered now
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 45372
- Engine: Pwa CB3
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 356994
- Condition: Cracked
- Location: Nr 13
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001F00115

## Discrepancy

PRECAUTIONARY SHUTDOWN NR 1 ENGINE DUE TO RUNNING ROUGH AT 2340Z.  NR 13 CYLINDER HEAD CRACKED, REPLACED CYLINDER.  (M)

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