# SDR ASAA2018110326711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2018
- Submitted: November 6, 2018
- Operation: Air carrier
- Aircraft: [N434AS](https://openairdocs.org/aircraft/N434AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61620
- Aircraft time: 10,736 hours, 3,500 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: Illuminated
- Location: Rt A/C Pack
- 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/ASAA2018110326711

## Discrepancy

RIGHT PACK LIGHT ILLUMINATES WHEN PRESSING RECALL. EXTINGUISHES WHEN PRESSING MASTER CAUTION. GROUNDED - YES. CW B737-900 FIM 21-62 TASK 801. NO CURRENT FAULTS. RH CONTROLLER SHOWS FC 21-51406 SRADA EXIT CBIT FOR LEG 00 IN HISTORY INTERMITTENT RECOVERED. RAN GROUND TEST AND OPERATED RH PACK FOR 10 MINUTES. NO DEFECT NOTED PER ABOVE FIM.

---
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.
