# SDR NACA20020056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2002
- Submitted: November 6, 2002
- Operation: Air carrier
- Aircraft: [N43872](https://openairdocs.org/aircraft/N43872), registered now
- Make and model: Doug DC-6
- Registry model: [Doug DC-6](https://openairdocs.org/model/douglas-dc-6) (OpenAirDocs)
- Aircraft serial: 533294
- Aircraft time: 33,934 hours
- Engine: Pwa R2800CB3
- Engine time: 1,720 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Case
- Condition: Making Metal
- Location: Nr 4 Engine
- Part time: 1,720 hours
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, R
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20020056

## Discrepancy

NR 4 ENGINE LOSS OF BMEP AND LOSS OF OIL QUANTITY.  REPLACED NR 4 ENGINE DUE TO HIGH METAL CONTENT FOUND IN FRONT ACCESSORY SECTION.

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