# SDR CALA2025120511803

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2025
- Submitted: December 5, 2025
- Operation: Air carrier
- Aircraft: [N27255](https://openairdocs.org/aircraft/N27255), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 43440
- Aircraft time: 14,986 hours, 5,160 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025120511803

## Discrepancy

PER CAPTAINS CALL. DEICING CREW SPRAYED GLYCOL INTO THE APU INTAKE, WHICH CAUSED THE A/C SYSTEM TO FILL THE CABIN AND JET BRIDGE WITH DENS GLYCOL SMELL. RAN PACKS WITH APU BLEED AIR NO FURTHER SMELL FOUND REF FIM 21-00 TASK 830.

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