# SDR DXTA200601324

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2006
- Submitted: April 6, 2006
- Operation: Air carrier
- Aircraft: [N944QS](https://openairdocs.org/aircraft/N944QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500144
- Aircraft time: 5,335 hours, 3,260 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 73838433
- Part serial: 200202033
- Condition: Failed
- Location: Air Cond Sys
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200601324

## Discrepancy

AFTER PULLING THE POWER BACK FOR DESCENT, GOT A STRONG SMELL.  COCKPIT ACM BECAME HARD TO CONTROL.  FOUND COCKPIT ACM TO HAVE FAILED.  REMOVED ACM AND INSTALLED OVERHAULED UNIT. OPERATIONAL AND LEAK CHECKS GOOD.  WORK DONE IAW CHAPTER 21-51-00 OF THE CITATION 750 MM.

---
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.
