# SDR SWAA2026040987499

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2026
- Submitted: April 9, 2026
- Operation: Air carrier
- Aircraft: [N8605E](https://openairdocs.org/aircraft/N8605E), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36891
- Aircraft time: 44,476 hours, 21,272 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Heater
- Condition: Dirty
- Location: Zn 200
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026040987499

## Discrepancy

ELECTRICAL BURNING SMELL NOTICED IN CABIN WHILE AT GATE<[01] PERFORMED FIM TASK 21-00 TASK 806 FOR AMM CONDITIONAL INSPECTION 05-51-56 UP TO STEP I. FOUND DEBRIS/DUST IN AFT ENTRY DOOR AREA HEATER & CLEANED PER AMM 21-45-01. CLEANED DUST FROM ALL CABIN TEMP SENSOR FILTERS PER AMM 21-61-06. NO ABNORMAL SMELLS NOTED.

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