# SDR CA000110026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 1999
- Submitted: January 22, 2001
- Operation: Air carrier
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft time: 8,902 hours
- Engine: Lyc TIO540J2BD
- System (JASC): [7713 · Manifold Pressure (MP) Indicating](https://openairdocs.org/jasc/7713)
- Part: Controller
- Part number: 4708869002
- Condition: Surges
- Location: Manifold Gauge
- Part time: 869 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000110026

## Discrepancy

(CAN) MANIFOLD GUAGE OBSERVED TO BE SURGING, DIFF. CONTROLLER REPLACED

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