# SDR ASAA2015111913897

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2015
- Submitted: November 23, 2015
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 10,241 hours, 3,289 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Lt A/C Pack
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015111913897

## Discrepancy

ON RECALL LT PACK LIGHT ILLUMINATED. RAN QRH, MASTER CAUTION LIGHT GOES OUT.  SINGLE CONTROLLER FAULT.  ACFT GROUNDED.  RESET SYSTEM, RAN AIRCON SYSTEM NR 1 AND NR 2 PACKS, NO ISSUES.  ALSO TESTED SYSTEM IAW AMM 21-60-00-700-806, SYS PASSES.

---
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.