# SDR ASAA2013020293793

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2013
- Submitted: February 4, 2013
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 25,202 hours, 7,472 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 8740
- Condition: Inoperative
- Location: A/C Bay
- Part time: 25,207 hours, 7,473 cycles
- 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/ASAA2013020293793

## Discrepancy

RIGHT PACK LIGHT CAME ON AFTER ENG START.  ACFT GROUNDED.  BITE CHECK SHOWED RT PACK TCV INOP.  R & R RT PACK TEMP CONT VALVE.  CLEARED FAULT ON RT PACK, OPS NORMAL REF AMM 21-51-10.

---
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.