# SDR CALA2026013013439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2026
- Submitted: January 30, 2026
- Operation: Air carrier
- Aircraft: [N77587](https://openairdocs.org/aircraft/N77587), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67631
- Aircraft time: 3,770 hours, 1,223 cycles
- Engine: Cfmint LEAP1B28
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Low Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026013013439

## Discrepancy

STRONG BURNING ODOR ORIGINATING FROM FWD GALLEY.  PERFORMED & RECIRIC FILTERS REPLACED. NO ODOR, OK TO CONTINUE. CHIME ALERTING RIGHT 5TH STAGE DUCT PRESSURE LOW.  RT SIDE HAS BEEN RUNNING SIGNIFICANTLY LOWER THAN THE LTE SINCE JUST BEFORE CHRISTMAS DURING ALL STAGES OF FLT,   THE ISSUE IS MORE THAN LIKELY NOT 9TH STAGE (HP) SYS.   TROUBLESHOOTING.

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