# SDR 99ZZZX116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N579HA](https://openairdocs.org/aircraft/N579HA), registered now
- Make and model: Doug TA-3B
- Registry model: [Doug TA-3B](https://openairdocs.org/model/douglas-ta-3b) (OpenAirDocs)
- Aircraft serial: 144858
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Cooling Turbine
- Part number: 203470
- Condition: Failed
- Location: Blades
- Component: Airesrch, 5661614
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: O, G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX116

## Discrepancy

NOSE AIR CONDITIONING UNIT COOLING TURBINE FAILED.  APPARENT TURBINE BLADE FAILURE.  CAUSE UNKNOWN.  FAILURE CAUSED SMOKE IN COCKPIT AND SPARKS EMITTED FROM OUTSIDE THE AIRCRAFT.   PILOT PUT EVERYONE ON OXYGEN, CLEARED CABIN WITH RAM AIR AND SHUT DOWN AIR CONDITIONERS.  NO FURTHER INDICATION OF TROUBLE.  NORMAL LANDING AT VAN NUYS.  THIS IS AN ISOLATED INCIDENT AND NO SPECIAL CORRECTIVE ACTION IS NECESSARY.

---
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.