# SDR SIMA990984

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N201AE
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B201
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: P240606040146
- Condition: Failed
- Location: Lt Mlg
- Stage of operation: AP
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA990984

## Discrepancy

JFK - FLT 4812 - LEFT MAIN LANDING GEAR WOULD NOT LOCK DOWN.  NOTICED LOSS OF HYD FLUID QTY/PERSS ON INDICATOR.  MAIN HYDRAULIC ACCUMULATOR PRESSURE ALSO DOWN.  REMOVED AND REPLACED FAILED HYDRAULIC FLEX-LINE AT THE MAIN LANDING GEAR DOWNLOCK ACTUATOR.  SERVICED HYDRAULIC SYSTEM.  PERFORMED EXTENSION, RETRACTION AND LEAK CHECKS AND RETURNED AIRCRAFT 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.
