# SDR P5CA9800027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N859FT](https://openairdocs.org/aircraft/N859FT), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20326
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Part number: 2670296
- Condition: Cracked
- Location: Nlg
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA9800027

## Discrepancy

ON MAINTENANCE WALK AROUND, FOUND NOSE LANDING GEAR OPEN DOOR SEQUENCE VALVE ASSEMBLY LEAKING.  VALVE FOUND TO BE CRACKED.  REMOVED AND REPLACED NOSE GEAR, OPERATED DOOR SEQUENCE VALVE IAW BOEING M/M 32-34-07, LEAK AND OPERATIONAL CHECK OK.

---
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.