# SDR JBXA000275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2001
- Submitted: May 1, 2001
- Operation: Air carrier
- Aircraft: [N105ML](https://openairdocs.org/aircraft/N105ML), 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: 11475
- Aircraft time: 20,791 hours, 15,014 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Valve
- Condition: Out Of Adj
- Location: Lt Mlg
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JBXA000275

## Discrepancy

UPON GEAR RETRACTION LEFT GEAR REMAINED DOWN WOULD NOT RETRACT.  REINSPECTED AIR/GROUND TEST VALVE FOUND VALVE JUST OFF OF DETENT.  REPOSITIONED TEST VALVE IN THE FULL FLIGHT DETENT AND SAFETIED VALVE IAW AMM 32-00-00-710-813A.

---
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.