# SDR ASAA2014101209355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2014
- Submitted: October 17, 2014
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 29,151 hours, 8,739 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: Illuminated
- Location: Rt A/C Pack
- Stage of operation: TX
- 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/ASAA2014101209355

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED, AND EXTINGUISHED AT MASTER CAUTION RESET.  ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTOLLER BITE IAW MM 21-61-00.  FAILED TCV FOR PREV FLIGHT BUT PASSED VERIFY TEST.  PERFORMED PACK/ZONE TEMP CONTROLLER BITE 3 MORE TIMES WITH NO FAULTS.  TESTS PASSED.  NO HISTORY LAST 60 DAYS.

---
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.