# SDR ASAA2017021619892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2017
- Submitted: February 23, 2017
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 35,400 hours, 10,703 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Ram Air Actuator
- Stage of operation: CR
- 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/ASAA2017021619892

## Discrepancy

FL 380,  LEFT RAM DOOR FULL OPEN LIGHT ILLUMINATED.  ACFT GROUNDED.  ACCOMPLISHED FIM 21-51, TASK 803. OPS CHECKED NORMAL TWICE.  ACCOMPLISHED PACK ZONE TEMP CONTROL BITE IAW FIM 21-62, TASK 801. LEFT PACK CONTROLLER SHOWED PREVIOUS FLIGHT HISTORY OF A RAM AIR ACTUATOR FAULT. CLEARED UPON VERIFICATION CHECK AND DID NOT RETURN. GROUND VERIFICATION SUCCESSFUL.

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