# SDR ASAA2019110131208

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2019
- Submitted: November 5, 2019
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 44,965 hours, 13,528 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- 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/ASAA2019110131208

## Discrepancy

UPON RECALL LH PACK LIGHT ILLUMINATES, PACK LIGHT CLEARS ON RESET. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 801 PACK TEMP CONTROL BITE TEST, FOUND RAM AIR ACT FAULT. FAULT CLEARS, OPS CHECK GOOD, NO FAIL ON PANEL IN FLT DECK. THIS CLEARS MEL 21-32B.

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