# SDR TWAA9712702

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N959U
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49704
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 20495054
- Condition: Failed
- Location: Right
- Stage of operation: CL
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9712702

## Discrepancy

STL - FLT 30 - DURING TAKEOFF, THE RIGHT AIR CYCLE MACHINE TURBINE FAILED CAUSING SMOKE IN THE PASSENGER CABIN.  REMOVED AND REPLACED THE RIGHT AIR CYCLE MACHINE, MFG P/N 204950-5-4, MANUFACTURED BY ALLIED SIGNAL AEROSPACE.  OPERATIONAL CHECK NORMAL.  (M)

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