# SDR SCNA20260424166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N835SY](https://openairdocs.org/aircraft/N835SY), registered now
- Make and model: Boeing 737-8KN
- Registry model: [Boeing 737-8KN](https://openairdocs.org/model/boeing-737-8kn) (OpenAirDocs)
- Aircraft serial: 40250
- Aircraft time: 48,324 hours, 19,815 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Overserviced
- Location: Zone 100
- Stage of operation: CR
- 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/SCNA20260424166

## Discrepancy

DURING FLIGHT FA ADVISED BURNING ODOR IN CABIN AND FLICKERING LIGHTS OVERHEAD. NO SMOKE.  REF FIM 21-00 TASK 806. COULD NOT DUPLICATE SMELL. FOUND HYD B SYSTEM AT 103%. DRAINED HYD B SYSTEM TO 92% REF AMM 29-00-00. NO DEFECTS FOUND TO CABIN LIGHTS. DETERMINED TO BE AN INTERMITTENT FAULT. OKAY FOR SERVICE. (DECLARED EMERGENCY)

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