# SDR 9WGA2023091525801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2023
- Submitted: September 18, 2023
- Operation: Air carrier
- Aircraft: [N258SN](https://openairdocs.org/aircraft/N258SN), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29258
- Aircraft time: 89,966 hours, 14,562 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Cylinder
- Part number: 65B0150423
- Part serial: SHL331
- Condition: Sheared
- Location: Body Gear
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9WGA2023091525801

## Discrepancy

DISCREPANCY: DIVERTED DUE TO GEAR NOT RETRACTING. EICAS "GEAR TILT" STATUS MESSAGE "GEAR MONITOR". CORRECTIVE ACTION: FOUND LH IB BODY GEAR LEVELING CYLINDER SHEARED. REMOVED AND REPLACED LEVELING CYLINDER IAW AMM 32-13-15.

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