# SDR AU981470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 1998
- Submitted: March 26, 2000
- 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)
- Engine: Lyc LTIO540J2BD
- Propeller: Hartzl HCE3YR2
- System (JASC): [3710 · Vacuum Distribution System](https://openairdocs.org/jasc/3710)
- Part: Regulator
- Part number: 2H2211
- Condition: Incorrect Part
- Location: Vacuum Sys
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU981470

## Discrepancy

(AUS) VACUUM PUMP REGULATORS WERE THE INCORRECT PART FOR THE MODEL OF VACUUM PUMP FITTED.  REGULATORS P/N 2H22-11 WERE FITTED INSTEAD OF THE CORRECT P/N 2H30-1 TYPE USED WITH P/N 215CC AND P/N 216CW PUMPS.

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