# SDR ASAA2018091726122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2018
- Submitted: September 17, 2018
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 45,069 hours, 13,503 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Control Module
- Part number: 693732478
- Part serial: D02631
- Condition: Faulty
- Location: Cockpit
- Part time: 62,545 hours, 35,584 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018091726122

## Discrepancy

FWD CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL RAN QRH CHECKLIST. LIGHT EVENTUALLY WENT OUT. GROUNDED - YES. REPLACED TEMP CTRL MODULE. OPS CHECK SAME GOOD REF AMM 21-61-15.

---
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.