# SDR ASAA2020022492234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2020
- Submitted: February 24, 2020
- Operation: Air carrier
- Aircraft: [N562AS](https://openairdocs.org/aircraft/N562AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35091
- Aircraft time: 51,318 hours, 15,230 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Lt A/C Pack
- 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/ASAA2020022492234

## Discrepancy

LEFT "PACK" LIGHT ILLUMINATES DURING RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET PRESSED. GROUNDED - YES. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST REF B737-800 AMM 21-61-00 NO FAULTS FOUND, SYSTEM GROUND VERIFICATION GOOD.

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