# SDR ASAA2013040994431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2013
- Submitted: April 12, 2013
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 24,461 hours, 7,352 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Condition: Malfunctioned
- Location: Nr 2 A/C Pack
- Stage of operation: TX
- 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/ASAA2013040994431

## Discrepancy

NR 2 PACK LIGHT ILLUMINATED AND RESET MASTER CAUTION.  ACFT GROUNDED. PERFORMED NR 2 TEMP CONTROLLER BITE CK REF FIM 21-62 TASK 801 NR 2 PACK LOGGED TCV FAULT LAST FLT. PERFORMED FIM 21-62 TASK 831.  FAULT CLEARED GROUND FUNCTIONAL TEST PASSED.  NO HISTORY LAST 60 DAYS.

---
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.