# SDR GLB2008F00017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2008
- Submitted: August 20, 2008
- Operation: Air carrier
- Aircraft: [N100UX](https://openairdocs.org/aircraft/N100UX), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE100
- Aircraft time: 31,798 hours, 37,113 cycles
- Engine: Pwa PT6A67D
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Malfunctioned
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLB2008F00017

## Discrepancy

ON DEPARTURE FROM "STL" PILOTS REPORTED THAT WHILE FLYING LEVEL AT 7000, AS PILOTS ACCELERATED THROUGH 200KIAS, LT ENG TORQUE BEGAN TO FLUTTER CONSTANTLY 50FT/LBS AND EXPERIENCED MULTIPLE DROPS OF +/-100 FT/LBS.  ALL OTHER ENG INDICATIONS NORMAL, +300 FT LB SURGE EXPERIENCED ON SHORT FINAL.  MAINTENANCE REMOVED, INSPECTED, RE-INSTALLED THE COMPRESSOR BLEED VALVE IAW P&W MM 75-30-00.  OPERATIONAL CHECKS GOOD ON GROUND RUN.

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