# SDR SIMA200101003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2001
- Submitted: May 3, 2001
- Operation: Air carrier
- Aircraft: N394AE
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B394
- Engine: Ge CT79B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Nr 1 And 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200101003

## Discrepancy

LRD - FLT 3301 - POWER ROLL BACK, FL 200; -18C; SOLID IMC.  NO BREAK IN CLOUDS.  ENGINE ANTI-ICE ON.  OBSERVED A POWER ROLLBACK AND RELIGHT ON NR 1 ENGINE.  APPROX 1 OR 2 MINUTES LATER OBSERVED SIMILAR ROLLBACKS OF BOTH ENGINES. EACH ENGINE ROLLED BACK AND RELIT 2 OR 3 TIMES IN RAPID SUCCESSION.  COMMENCED DESCENT TO 8000 (+10 OAT) AND NO FURTHER DISCREPANCIES NOTED.  INSPECTED NR 1 AND 2 ENGINE IAW GE MM 72-00 FAULT ISOL.  NO DEFECTS NOTED.  AIRCRAFT RETURNED TO SERVICE.  (M)

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