# SDR SCNA20260202049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N823SY](https://openairdocs.org/aircraft/N823SY), registered now
- Make and model: Boeing 737-85P
- Registry model: [Boeing 737-85P](https://openairdocs.org/model/boeing-737-85p) (OpenAirDocs)
- Aircraft serial: 33971
- Aircraft time: 55,786 hours, 31,789 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Overserviced
- Location: Zone 100
- Stage of operation: CL
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260202049

## Discrepancy

FLIGHT ATTENDANTS NOTICED AN ODOR THROUGH 10,000 FT COMING OIUT OF AIR VENTS.  STILL THERE AFTER SHUTDOWN. APPEARS TO BE ELECTRCAL IN NATURE.  FOUND HYD QUANITY OVER SERVICED DRAINED. PERFORMED FIM 20-00 TASK 806 NO ODOR IN CABIN ON START UP HAD HYD SMELL IN VENTS SMELL VENT AWAY AFTER OIL CONTAMINATION REMOVAL 21-00-00.

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