# SDR ASAA0956516

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2009
- Submitted: September 3, 2009
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 11,278 hours, 3,585 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: TX
- 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/ASAA0956516

## Discrepancy

PACK LIGHT ILLUMINATED ON RECALL.  PERFORMED FIM TASK 21 53 00 810 812 AND FOUND TCV FAULT LATCHED ON RT ZONE TEMP CONTROLLER.  RAN SATISFACTORY BITE CHECK ON SAME AND TCV FAULT CLEARED.  PACK LIGHT NO LONGER ILLUMINATES ON RECALL.

---
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.