# SDR CALA2026031614581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2026
- Submitted: March 16, 2026
- Operation: Air carrier
- Aircraft: [N33289](https://openairdocs.org/aircraft/N33289), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31607
- Aircraft time: 66,469 hours, 24,593 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026031614581

## Discrepancy

UNUSUAL ODOR THROUGHOUT PLANE ESPECIALLY NEAR FRONT.  NOTED VERY STRONG ELECTRICAL BURNING ODOR COMING FROM FLIGHTDECK AND FWD E & E AREA REPLACED LT & RT RECIRCULATION AIR FILTERS IAW TASK 21-25-01-400-801.   INSPECTED FWD GALLEY AREA LIGHTS.  ENTRY LIGHTS, NO FF. OPS CHECKED FLT DECK INSTRUMENTS, DOME LIGHTS, RADAR, NFF. INSPECTED P91 & P92 PANELS, NO DEFECTS NOTED. INSPECTED AROUND FWD E & E, NO DEFECTS.  DETERMINED TO THE NEW INTERIOR MOD ACCOMPD RFD STATION ON 03/07/26 CAUSED ALL THE ABNORMAL ODORS, ESPESCIALLY AT FWD GALLEY FLOOR RUBBER MAT.  STRONGER ODOR WHEN ACFT STAYS IN SUN. ODOR GOES AWAY WHEN AC PACKS ON.

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