# SDR SWAA991031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N523SW
- Make and model: Boeing 737-5H4
- Registry model: [Boeing 737-5H4](https://openairdocs.org/model/boeing-737-5h4) (OpenAirDocs)
- Aircraft serial: 26565
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Solenoid
- Part number: A42006028305
- Condition: Malfunctioned
- Location: Landing Gear
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA991031

## Discrepancy

LANDING GEAR WOULD NOT RETRACT NORMALLY AFTER TAKEOFF FROM SMF.  LANDING GEAR OVERRIDE TRIGGER WAS UTILIZED.  AFTER DETERMINING THERE WAS NOT AN AIR/GROUND SENSOR PROBLEM, GEAR RETRACTED NORMALLY.  REMOVED AND REPLACED LANDING GEAR SAFETY SOLENOID PER MM.

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