# SDR HALA0300760

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2003
- Submitted: January 7, 2004
- Operation: Air carrier
- Aircraft: [N476HA](https://openairdocs.org/aircraft/N476HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55118
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Check Valve
- Part number: 1C3360
- Condition: Failed
- Location: Nlg
- Stage of operation: CL
- 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/HALA0300760

## Discrepancy

FLT 513 - HNL - NOSE GEAR WOULD NOT RETRACT, CONFIRMED DOWN WITH CONFIG PAGE.  RECYCLED, STILL STAYED DOWN.  REMOVED AND REPLACED NLG BUNGEE CYL PER AM 32-35-02, S/N OFF EFS37385, CONDITION SAME.  REMOVED AND INSTALLED NOSE GEAR RETRACT CYL PER AMM 32-35-01, CONDITION SAME.  REMOVED NOSE STEERING T-FITTING LEFT TUNNEL.  FOUND CHECK VALVE FAILED IN NOSE GEAR RETRACT LINE.  REPLACED CHECK VALVE AND REINSTALLED 'T'.  (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.