# SDR NACA20030078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2003
- Submitted: March 7, 2003
- 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: 44665
- Aircraft time: 34,252 hours
- Engine: Pwa R2800CB3
- Engine time: 1,095 hours
- System (JASC): [7800 · Engine Exhaust System](https://openairdocs.org/jasc/7800)
- Part: Exhaust Pipe
- Part number: 16121605337943
- Condition: Cracked
- Part time: 1,095 hours
- Component: Engine, Pwa, CB3
- Component part number: R2800
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20030078

## Discrepancy

DISCREPANCY: ZONE #1 FIRE WARNING ON #3 ENGINE DURING TAKE OFF ROLL.CORRECTIVE ACTION: REPLACED #10 TO #12 CYLINDER EXHAUST AND #11 TO #13 EXHAUST DUE TO BURN THROUGH. EXHAUST WAS BLOWING ON FIRE DETECTOR.

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