# SDR ASAA2020040632612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2020
- Submitted: April 6, 2020
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 31,947 hours, 9,207 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020040632612

## Discrepancy

CONT CABIN ZONE TEMP ILLUMINATES WITH RECALL. GROUNDED - YES. FOLLOWED B737-800 FIM 21-62 TASK 848 AND COMPLIED WITH ALL FIM TASKS INCLUDING THE PACK TEMP CONT BITE PROCEDURE FIM 21-62 TASK 801. NO FAULT. THIS WAS AN INTERMITTENT FAULT. ALL GROUND VERIFICATION CHECKS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
