# SDR SWAA980628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N647SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27717
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hyd Syst
- Condition: Overserviced
- Location: A-Hyd Syst
- Stage of operation: TO
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA980628

## Discrepancy

ON TAKEOFF, CREW NOTED A RUBBER TYPE BURN SMELL COMING THROUGH DUCT SYSTEM.  NO VISIBLE SMOKE.  ODOR DISSIPATED AT LOWER THRUST SETTING.  AIRCRAFT RETURNED TO MDW AND MADE AN UNEVENTFUL LANDING.  INSPECTED AIRCRAFT, FOUND A SYSTEM HYD RESERVOIR OVERSERVICED.  DESERVICED TO PROPER LEVEL AND PERFORMED ENGINE POWER ASSURANCE RUN PER BOEING M/M.

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