# SDR HSYA2011100811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2011
- Submitted: October 10, 2011
- Operation: Air carrier
- Aircraft: [N331SB](https://openairdocs.org/aircraft/N331SB), registered now
- Make and model: Stbros SD330
- Aircraft serial: SH3015
- Aircraft time: 23,838 hours, 30,387 cycles
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Actuator
- Part number: 17900101
- Part serial: MMC017
- Condition: Failed
- Location: Mlg
- Part time: 8,990 hours, 27,591 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HSYA2011100811

## Discrepancy

AFTER DEPARTURE, LEFT MLG DID NOT APPEAR TO CYCLE FROM GREEN TO NORMAL UP INDICATION.  PILOT ADVISED RESELECTED LANDING GEAR LEVER TO DOWN IAW ABNORMAL CHECKLIST AND GEAR SHOWED 3 DOWN AND LOCKED INDICATION.  ACFT DECLARED AN EMERGENCY AND CONTROL TOWER REPORTED THAT LANDING GEAR ALL APPEARED DOWN - NORMAL.   FLIGHT LANDED WITHOUT FUTHER INCIDENT.  MX TROUBLESHOT ACFT AND FOUND LT MLG ACTUATOR HAD FAILED INTERNALLY.  R & R LT MLG ACTUATOR AND PERFORMED GEAR SWINGS IAW AMM 32-30-06 AND 32-30-00.  ALL OPS CHECKED GOOD. NO FURTHER DEFECTS 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.