# SDR DBCA2010122100030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2010
- Submitted: December 30, 2010
- Operation: Air carrier
- Aircraft: [N95GK](https://openairdocs.org/aircraft/N95GK), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK27
- Aircraft time: 8,900 hours, 8,399 cycles
- System (JASC): [2197 · Air Conditioning System Wiring](https://openairdocs.org/jasc/2197)
- Part: Wire
- Part number: MS3106R10SL39
- Condition: Broken
- Location: Acm
- Part time: 8,900 hours, 8,399 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: I
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DBCA2010122100030

## Discrepancy

ON DESCENT "AIR CONDITIONING FAIL" ANNUNCIATOR ILLUMINATED & EMERGENCY PRESSURIZATION ACTIVATED.  PER ACFT CHECKLIST DESCENDED TO 10,000 FT & CLOSED BLEED AIR SOURCES.  LANDING WAS UNEVENTFUL.  TROUBLESHOT AND FOUND WIRE BROKEN IN AIR CYCLE TURBINE OVER PRESSURE SWITCH CONNECTOR.   REPAIRED BROKEN WIRE.  OPERATIONAL CHECK 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.
