# SDR UALA2009051801393

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2009
- Submitted: May 20, 2009
- Operation: Air carrier
- Aircraft: N413UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 470
- Aircraft time: 51,786 hours, 18,504 cycles
- Engine: Iae V2527A5
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Bypass Valve
- Part number: 114087006
- Part serial: CW93
- Condition: Damaged
- Location: Nlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009051801393

## Discrepancy

LOSS OF HYDRAULICS. RTFL.  FOUND FACE PLATE ON NOSE GEAR BYPASS VALVE WITH 3 OF 4 BROKEN BOLT HEADS. FOUND FLUID FLOWING FROM FACE PLATE ON OLD VALVE. REPLACED NOSE GEAR BYPASS VALVE. NEW VALVE OPS CHECKS GOOD-NO LEAKS NOTED.

---
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.
