# SDR ASAA2013031994199

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2013
- Submitted: March 22, 2013
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 17,786 hours, 5,575 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: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013031994199

## Discrepancy

LEFT PACK LIGHT ILLUMINATES DURING RECALL, EXTINGUISHES WHEN MASTER CAUTION PUSHED.  PERFORMED BITE TEST OF THE LT PACK/ZONE TEMP CONTROLLER IAW AMM 21-61-00-700-806-002, RAM ACTUATOR FLAGGED ON BIT CHECK.  PERFORMED VERIFY AND RECEIVED GREEN GO LIGHT.  RESET CONTROLLER AND GREEN GO LIGHT IS ILLUMINATED.

---
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.