# SDR CALA2025111411196

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2025
- Submitted: November 14, 2025
- Operation: Air carrier
- Aircraft: [N17752](https://openairdocs.org/aircraft/N17752), registered now
- Make and model: Boeing 737724
- Aircraft serial: 29048
- Aircraft time: 79,760 hours, 32,105 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Stage of operation: DE
- 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/CALA2025111411196

## Discrepancy

STRANGE ODOR FROM PACKS WHILE DESCENDING THRU 8000 UNTIL LANDING RAN BOTH PACKS FOR A WHILE, UNABLE TO DUPLICATE THE SMELL.

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