# SDR NSVA200600137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2006
- Submitted: December 4, 2006
- Operation: Air carrier
- Aircraft: N191MJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 191
- Aircraft time: 33,761 hours, 38,937 cycles
- Engine: Ge CT79B
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Carbon Seal
- Part number: 5078T36P01
- Condition: Leaking
- Location: Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NSVA200600137

## Discrepancy

SMOKE COMING FROM LT ENGINE NACELLE PNEUMATIC PRE-COOLER EXHAUST.  REMOVED AND REPLACED LT ENGINE BB AXIS CARBON SEAL IAW 72-60-01S.  OPS AND LEAK CHECK GOOD, PN ON/OFF 5078T36P01 SN NSN.

---
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.