# SDR MALA020577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2002
- Submitted: September 27, 2002
- Operation: Air carrier
- Aircraft: N456XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B456
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Control Box
- Condition: Malfunctioned
- Location: Landing Gear
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA020577

## Discrepancy

DURING APPROACH OF FLIGHT 3141 TO DTW, GEAR DID NOT COME DOWN AFTER CYCLING C/B AND GEAR STILL WOULD NOT COME DOWN.  BROKE OFF APPROACH, CYCLED GEAR.  ALL INDICATIONS NORMAL.  MAINTENANCE REMOVED AND REPLACED LANDING GEAR CONTROL BOX IAW SAAB AMM 32-00-00.  INSPECTED SWINGS ALL WOW HARNESS AND CONNECTIONS IN WHEEL WELLS, PERFORMED 15 GEAR SWINGS ALL CHECKS AND GEAR INDICATIONS NORMAL.

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