# SDR CA980311008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 1998
- Submitted: January 19, 2001
- Operation: General aviation
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft time: 7,869 hours
- Engine: Lyc TIO540J2BD
- System (JASC): [8120 · Exhaust Turbocharger](https://openairdocs.org/jasc/8120)
- Part: Controller
- Part number: 4708849010R
- Condition: Faulty
- Location: Turbo Charger
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980311008

## Discrepancy

(CAN) DURING CRUISE DESCENT OUT OF 12,000 FEET A NOTICEABLE LOSS OF MANIFOLD PRESSURE (33 INCHES DOWN TO 17 INCHES) WAS EXPERIENCED ON NR 2 ENGINE. THE APPROPRIATE DRILL WAS CARRIED OUT AND THE ENGINE WAS KEPT RUNNING AS IT WAS PRODUCING POWER. AN UNSCHEDULED LANDING WAS MADE AND THE FAULT FOUND AND RECTIFIED.

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