# SDR CALA2026032414816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N37408](https://openairdocs.org/aircraft/N37408), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30125
- Aircraft time: 66,062 hours, 27,764 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Condition: Faulted
- Location: Cabin Temp
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026032414816

## Discrepancy

ON DEPARTURE CABIN TEMP WENT TO 40C.  AT FL250 WOULD NOT COOL BE LOW 35C PERFORMED PACK TEMPERATURE CONTROL - BITE PROCEDURE REF FIM 21-62 TASK 801 ON BOTH CONTROLLERS 1 & 2. OPS CHECKS PASSED, NO FAULTS FOUND ON BOTH CONTROLLERS 1 & 2.

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