# SDR SCNA20260413154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N840SY](https://openairdocs.org/aircraft/N840SY), registered now
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 42084
- Aircraft time: 23,184 hours, 9,107 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Overserviced
- Stage of operation: DE
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260413154

## Discrepancy

STRONG SMELL OF OLD GYM SOCKS DURING DECENT PASSING 14000 FEET.   FOUND HYDRAULICS OVER SERVICED RANNED APU AFTER DRAINING HYDRAULIC FLUID TO PROPER LEVEL OPS CHECK GOOD IAW FIM 21-06 TASK 806.

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