# SDR TWRA9532

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N6186](https://openairdocs.org/aircraft/N6186), registered now
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21439
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Turbine Bypass
- Part number: 7192233
- Condition: Failed
- Location: Nr 2 Pack
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWRA9532

## Discrepancy

DURING CRUISE, CABIN FILLED WITH SMOKE ON FLIGHT FROM HLP TO JED, SHUT DOWN NR 2 PACK.  REPLACED NR 2 TURBINE BYPASS UNIT, OPS CHECK OK.  (M)

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