# SDR PLGA990427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N748BA](https://openairdocs.org/aircraft/N748BA), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A149
- Engine: Ge CT75A2
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 6058T80P03
- Condition: Sticking
- Location: Rt Engine
- 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/PLGA990427

## Discrepancy

BOS - FLT 6429 - AFTER DEPARTURE FROM BOS, CREW GOT A RIGHT AIR VALVE FAIL LIGHT.  AIRCRAFT DIVERTED BACK TO BOS AND LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED THE ANTI-ICE START BLEED VALVE WHICH WAS STICKING, AND THE AIR VALVE FOR PRECAUTIONARY REASONS.  (M)

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