# SDR IPXA09156842

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2009
- Submitted: July 29, 2009
- Operation: Air carrier
- Aircraft: [N121UP](https://openairdocs.org/aircraft/N121UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0806
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Isolation Valve
- Part number: 305TB05
- Part serial: 2297
- Condition: Malfunctioned
- Location: Hydraulic Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA09156842

## Discrepancy

INSPECTION TYPE:N/A CREW ADVISED, LOST CENTER HYDRAULIC (GREEN) SYSTEM.  CREW DECLARED EMERGENCY AND PERFORMED MANUAL GEAR EXTENSION; LANDED WITHOUT INCIDENT.  REPLACED GREEN SYS ISOLATION VALVE BLOCK PER AMM 27-14-21-04.

---
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.