# SDR 29GA2019030100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2019
- Submitted: March 28, 2019
- Operation: Air carrier
- Aircraft: N347AG
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B447
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Control Unit
- Part number: D49412001
- Part serial: 6390597
- Condition: Failed
- Location: Landing Gear
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/29GA2019030100001

## Discrepancy

SUPPLEMENTAL FLIGHT 72 FLL/GGT REPORT: AFTER TAKE OFF UNABLE TO MOVE LANDING GEAR TO UP POSITION WITHOUT PRESSING DOWN LOCK RELEASE BUTTON. CORRECTIVE ACTION: R/R LANDING GEAR CONTROL UNIT ASSY IAW AMM 32-31-05-02.

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