# SDR USA2002F00065

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2002
- Operation: Air carrier
- Aircraft: N656US
- Make and model: Boeing 767-2B7
- Registry model: [Boeing 767-2B7](https://openairdocs.org/model/boeing-767-2b7) (OpenAirDocs)
- Aircraft serial: 26847
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 7902708
- Condition: Inoperative
- Location: Prv, Rt Eng
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USA2002F00065

## Discrepancy

ENROUTE, CREW RECEIVED THE EICAS MESSAGES (RT ENGINE PRV) AND (RT ENG BLD OVHT).  SHORTLY THEREAFTER, THE RIGHT PACK BECAME INOPERATIVE.  THE FLIGHT DIVERTED AND LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE FOUND THE SHAFT AND BUTTERFLY OF THE RIGHT PRV DISCREPANT.  THE VALVE WAS REPLACED.

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