# SDR CALA2025073007094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2025
- Submitted: July 30, 2025
- Operation: Air carrier
- Aircraft: [N37542](https://openairdocs.org/aircraft/N37542), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 64470
- Aircraft time: 9,590 hours, 3,219 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: LD
- 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/CALA2025073007094

## Discrepancy

STRONG SMELL OF ELECTRIC BURNING FUMES AFTER LANDING/APU ON BUSS AND BLEEDS .  PERFORMED T/S AS PER FIM 21-00 TASK 830, NO FAULTS, C/W ENG RUNS ALSO NO FAULTS, SUSPECT THEY IN TOOK SOME BAD AIR WHEN ON THE GRD IN PUJ.

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