# SDR AALA960839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N1441A](https://openairdocs.org/aircraft/N1441A), registered now
- Make and model: Fokker F.28 MK 0100
- Registry model: [Fokker F.28 MK 0100](https://openairdocs.org/model/fokker-f-28-mk-0100) (OpenAirDocs)
- Aircraft serial: 11436
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Seq Valve
- Part number: 715391
- Condition: Defective
- Location: Nlg
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA960839

## Discrepancy

DFW - FLT 1591 - DURING TAKEOFF FROM DFW, THE NOSE GEAR DOOR DID NOT CLOSE.  CYCLED GEAR WITH SAME RESULTS.  RETURNED DFW AND LANDED WITHOUT FURTHER INCIDENT.  REPLACED SEQUENCING VALVE.  ACCOMPLISHED THREE GEAR SWINGS, AND LEAK CHECK.  SYSTEM GROUND CHECKED NORMAL OPERATION.  (M)

---
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.