# SDR MALA020678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2002
- Submitted: December 9, 2002
- Operation: Air carrier
- Aircraft: [N411XJ](https://openairdocs.org/aircraft/N411XJ), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B411
- Engine: Ge CT79B
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Engine
- Part number: CT79B
- Part serial: OFFGEE785692
- Stage of operation: CL
- How discovered: L
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA020678

## Discrepancy

AFTER TAKEOFF ON FLIGHT #3142, AT APPROXIMATELY 400' DURING THE AFTER TAKEOFF FLOW THE LH ENGINE TORQUE WENT TO 20%, AND A MASTER WARNING LIGHT ILLUMINATED.  ALMOST SIMULTANIOUSLY THE LH ENGINE OVERTEMP LIGHT WENT ON TEMP WAS AT 1000-1007 DEGREES C.  CLEAR, NO ICE. AIR RETURN TO PIR.  MAINTENANCE REMOVED AND REPLACED LEFT ENGINE AND PGB ASSEMBLY PN CT7-9B SN/OFF GE-E-785692, SN/ON GE-E-785370 PER JC 7100-301. LH AND WORK PACKAGE FROM PLANNING ISSUED 12/6/02. REFERENCE WO # 337791. ALL LEAK AND OPS CHECKS GOOD.

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