# SDR ASAA201904229070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2019
- Submitted: April 22, 2019
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 46,127 hours, 13,683 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Rt 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/ASAA201904229070

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED IN FLIGHT AFTER RUNNING QRH PACK LIGHT EXTINGUISHED. GROUNDED - YES. BITE TEST OF #1 AND #2 PACK/ZONE TEMP CNTLR SHOWS NO CURRENT FAULT, NO FAULT LAST FLIGHT LEG AND VERIFY TEST ALSO PASSED REF B737-800 AMM 21-61-00-700-806-002, DURING VERIFY PART OF #2 PACK/ZONE TEMP CTL TEST NOTICED THAT RAM AIR INLET DEFLECTOR DOOR REMAINS OPEN.

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