# SDR DALA2026080504526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 5, 2026
- Operation: Air carrier
- Aircraft: [N3756](https://openairdocs.org/aircraft/N3756), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30493
- Aircraft time: 79,416 hours, 30,482 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Condition: Odor
- Location: Zone 100
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026080504526

## Discrepancy

DECLARED AN EMERGENCY, RETURNED TO ATL DUE TO BURNING ODOR NEAR L1 DOOR.   RAN BOTH ENGINES, COMPLETED P-TRAK FUME SURVEY, INSPECTED AREA AND REPLACED RECIRCULATION FILTERS. NO TROUBLE FOUND, NO ODORS. OPS CHECK GOOD. (8821166) AIRCRAFT WAS GROUNDED

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