# SDR UIEA2019121656078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2019
- Submitted: December 16, 2019
- Operation: Air carrier
- Aircraft: [N492MC](https://openairdocs.org/aircraft/N492MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29253
- Aircraft time: 89,030 hours, 15,370 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Motor
- Part number: 20SP93
- Part serial: 6829
- Condition: Failed
- Location: Lt Landing Gear
- Stage of operation: LD
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019121656078

## Discrepancy

LEFT BODY GEAR FAILED TO EXTEND USING ALTN EXT. (<P>REMOVED AND REPLACED BODY GEAR ALTN EXTENSION MOTOR IAW AMM 32-35-01, OPS CHECK OK. </P>)

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