# SDR NAFA20010001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2001
- Submitted: July 11, 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
- Aircraft time: 21,454 hours
- Engine: Pwa R2800CB3
- Engine time: 689 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 356994
- Part serial: A645WKVK
- Condition: Damaged
- Location: Nr 3 Engine
- Part time: 689 hours
- Stage of operation: CR
- 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/NAFA20010001

## Discrepancy

NR 3 ENGINE NR 13 CYLINDER LT & RT NO COMBUSTION PATTERN ON ANALYZER.  REMOVED AND REPLACED THE NR 13 CYLINDER.

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