# SDR CKSA98746

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N710CK](https://openairdocs.org/aircraft/N710CK), registered now
- Make and model: Boeing 747-2B4B
- Registry model: [Boeing 747-2B4B](https://openairdocs.org/model/boeing-747-2b4b) (OpenAirDocs)
- Aircraft serial: 21097
- Engine: Pwa JT9D7J
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Bleed Air
- Condition: Odor
- Location: Nr 3 Engine
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CKSA98746

## Discrepancy

CREW REPORTED, NR 3 ENGINE BLEED ALLOWS SMOKE IN THE COCKPIT.  CLOSING BLEED, OIL SMOKE REMOVED.  PERFORMED BLEED CHECK ON NR 3 ENGINE, GROUND RUN ENGINE IAW MM 71-00-00.  NO DEFECT NOTED.

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