# SDR SWAA090039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2009
- Submitted: January 7, 2009
- Operation: Air carrier
- Aircraft: N621SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 28037
- Aircraft time: 43,931 hours, 36,256 cycles
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Actuator
- Part number: 65488105
- Part serial: 3750
- Condition: Faulty
- Location: Rt Mlg
- Stage of operation: AP
- 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/SWAA090039

## Discrepancy

DURING GEAR EXTENSION HAD RT MLG UNSAFE INDICATION.  USED CHECK LIST, MANUAL EXTENSION PER CHECK LIST, GEAR SAFE, UNEVENTFUL LANDING.  REMOVED AND REPLACED THE MLG ACTUATOR PER MM.

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