# SDR CALA2025100809788

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2025
- Submitted: October 8, 2025
- Operation: Air carrier
- Aircraft: [N37508](https://openairdocs.org/aircraft/N37508), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43439
- Aircraft time: 16,779 hours, 5,520 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Fumes
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025100809788

## Discrepancy

ON START OF NUMBER 2 ENG.FA IN BACK SAID PAX SMELLED FUMES FROM ENG. SMELL GONE IN 1 MIN PER CONVERSATION WITH TOMC. RAN NR 2 ENGINE THEN STARTED AIR CONDITION ON. NO FUMES IN CABIN. PER AMM 05-51-56-200-801 NO ACTION REQUIRED. ALSO FUME CHECK LIST.

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