# SDR ASAA2016011414746

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2016
- Submitted: January 14, 2016
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 31,769 hours, 9,288 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3966081
- Part serial: 3471
- Condition: Failed
- Location: Rt A/C Pack
- Part time: 26,467 hours, 8,079 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016011414746

## Discrepancy

AIRCRAFT HAS RECENT HISTORY OF THE RT PACK TRIP.  ACFT GROUNDED. TSR ISSUED.  INSPECTED FAN BYPASS CHECK VALVE IAW AMM 21-51-03, NO DEFECTS NOTED.  R & R RT PACK FLOW CONTROL VALVE IAW AMM 21-51-01, OPS AND LEAK CHECKED GOOD.

---
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.