# SDR ASAA2019010827704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2019
- Submitted: January 11, 2019
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 19,511 hours, 6,421 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/ASAA2019010827704

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED W/ MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED BITE CHECK ON BOTH PACK TEMP CONTROLLERS. OPS CHECKS NORMAL. NO DEFECTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.