# SDR ASAA2015102713537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2015
- Submitted: October 29, 2015
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 34,697 hours, 10,658 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Control Valve
- Part number: 3989083
- Part serial: 3278
- Condition: Failed
- Location: Cabin Temp
- Part time: 49,218 hours, 25,525 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/ASAA2015102713537

## Discrepancy

LEFT PACK LT ILLUMINATED ON RECALL.  EXTINGUISHED WITH MASTER CAUTION RESET.  ACFT CHECKED AND RELEASED IAW MEL 21-32B, LT PACK TEMP CONTROL INOPERATIVE.  ACFT GROUNDED.  R & R LT TEMP CONTROL VALVE.  OPS CHECKS NORMAL.

---
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.