# SDR UIEA2023042900392

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2023
- Submitted: May 1, 2023
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 93,068 hours, 15,703 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Part number: 2670296
- Part serial: 1738
- Condition: Unknown
- Stage of operation: TO
- How discovered: V
- Nature of condition: J, Z
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023042900392

## Discrepancy

NOSE GEAR DOES NOT REMAIN STOWED AFTER RETRACTION(<P>COMPLIED WITH ACTION PLAN 24223. JACKED AIRCRAFT AND PERFORMED MULTIPLE GEAR SWINGS WITH NO FAULTS. PERFORMED CONFIDENCE FLIGHT WITH NO FAULTS.</P>)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.