# SDR SWAA2023101109019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2023
- Submitted: October 11, 2023
- Operation: Air carrier
- Aircraft: [N7748A](https://openairdocs.org/aircraft/N7748A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 36399
- Aircraft time: 51,441 hours, 26,416 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Sensor
- Part number: UNKNOWN
- Condition: Faulty
- Location: Zn 200 Fus Top
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023101109019

## Discrepancy

PACKS AIR FLOW VERY LOW AT TIMES BLOWING WARM AIR GRD AND IN FLIGHT UNABLE TO COOL AIRCRAFT SUFFICIENT FLIGHT ATTENDANTS REPORTS ODOR OUT OF THE FWD AIR OUTLET ;..<[01] R+R LT AND RT COALESCER BAGS REF M/M 21-51-05 REPLACED CONTROL CABIN TEMP SENSOR FILTER REF M/M 21-61-06 BOTH PACKS PUT OUT AIR IN LOW 40?S OK FOR SERVICE.

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