# SDR SWAA2025062584656

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2025
- Submitted: June 25, 2025
- Operation: Air carrier
- Aircraft: [N8782Q](https://openairdocs.org/aircraft/N8782Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 67759
- Aircraft time: 8,735 hours, 4,296 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Odor
- Location: Zone 100
- 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/SWAA2025062584656

## Discrepancy

ON ARRIVAL CABIN (FRONT/COCKPIT) BECAME VERY WARM. THERE WAS A SMELL ASSOCIATED WITH TEMP. NO MASTER CAUTION MESSAGES. RAN QRH FOR WARM CABIN TEMP. TURNED OFF LEFT PACK; PER QRH. CABIN TEMP COOLED NORMALLY.<[01] REPLACED LEFT AIR CYCLE MACHINE PER M/M 21-51-04. OPS CHECKS OK;[02] REPLACED LEFT AIR CYCLE MACHINE PER M/M 21-51-04. OPS CHECKS OK. EV# E046916

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