# SDR ASAA2017021419815

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2017
- Submitted: February 21, 2017
- Operation: Air carrier
- Aircraft: [N471AS](https://openairdocs.org/aircraft/N471AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41703
- Aircraft time: 9,434 hours, 3,131 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: Illuminated
- Location: Cabin Temp
- Stage of operation: NR
- 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/ASAA2017021419815

## Discrepancy

ZONE TEMP LIGHT ILLUMINATED FOR CONT CABIN.  ACFT GROUNDED.  PERFORMED RT PACK ZONE TEMP CONT BITE IAW AMM 21-61-00. NO FAULTS FOUND CURRENT, HISTORY OR VERIFY. PERFORMED CABIN TEMPERATURE CONTROL AND INDICATION OPERATIONAL TEST IAW AMM 21-61-00. NO DEFECTS NOTED . NO FAULTS DURING TEST. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

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