# SDR ASOA00120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2000
- Submitted: December 14, 2000
- Operation: Air carrier
- Aircraft: [N635AS](https://openairdocs.org/aircraft/N635AS), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 372
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 2020500001
- Condition: Inoperative
- Location: Hyd System
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA00120

## Discrepancy

FLT 4082 - IN FLIGHT FROM CSG-ATL, CREW REPORTED WHEN THE LANDING GEAR WAS LOWERED A MASTER CAUTION MESSAGE ON THE GREEN HYDRAULIC SYSTEM.  THE LANDING GEAR WAS SHOWING DOWN AND LOCKED WITH THE GREEN HYDRAULIC PRESSURE SHOWING ZERO.  CREW DECLARED AND EMERGENCY AND LANDED SAFELY.  MAINTENANCE REPLACED THE RIGID LINE TO GEAR UNLOCK ACTUATOR.  OPERATIONAL CHECKS WERE GOOD.  AIRCRAFT RETURNED TO SERVICE.  (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.