# SDR SWAA2025120843829

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2025
- Submitted: December 8, 2025
- Operation: Air carrier
- Aircraft: [N8777Q](https://openairdocs.org/aircraft/N8777Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 67756
- Aircraft time: 10,527 hours, 5,296 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025120843829

## Discrepancy

DURING PACK OPERATION WITH BLEED AIR SUPPLED BY APU,  OBSERVED A FAINT BURNING RUBBER ODOR.   PERFORMED CONDITIONAL INSPECTION IAW AMM 05-51-56, COULD NOT DUPLICATE ODOR IAW IFIM 21-00-00-810-830.

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