# SDR ASAA2013021693908

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2013
- Submitted: February 19, 2013
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 10,965 hours, 3,387 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: Illuminated
- Location: Actuator
- 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/ASAA2013021693908

## Discrepancy

DURING RECALL OF MASTER CAUTION LIGHT THE RT PACK LIGHT ILLUMINATED.  ON RESET LIGHT EXTINGUISHED.  PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST.  NR 2 CONTROLLER FLAGGED RAM AIR ACT.  (RT) FAULT IS INTERMITTENT.  ABLE TO CLEAR WITH VERIFY.  NO HISTORY PAST 30 DAYS, REF AMM 21-61-00-700-806-002.

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