<< >> NASA ASRS Report 979064, November 2011

A CRJ200's landing gear failed to extend so a go around was executed; the QRH complied with and a normal landing followed.

Attributes
ACN	979064
Time
Date	201111
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	Regional Jet 200 ER/LR (CRJ200)
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Flight Plan	IFR
Component
Aircraft Component	Gear Extend/Retract Mechanism
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

On final we extended the gear and received a gear disagree warning message. Additionally; we received a nose door open message; and all three gear indications showed a white up box. It sounded like the gear doors were open; however we did not hear any noises indicating that the gear was in transit or locked down. We initiated a go-around and complied with the QRH. The next gear extension per the checklist resulted in the gear extending normally. After landing we notified maintenance and documented the discrepancy in the maintenance log. The only threat was a gear system that did not extend normally. The threat was mitigated by completing the QRH checklist.

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Original NASA ASRS Text

Title: A CRJ200's landing gear failed to extend so a go around was executed; the QRH complied with and a normal landing followed.

Narrative: On final we extended the gear and received a GEAR DISAGREE warning message. Additionally; we received a NOSE DOOR OPEN message; and all three gear indications showed a white UP box. It sounded like the gear doors were open; however we did not hear any noises indicating that the gear was in transit or locked down. We initiated a go-around and complied with the QRH. The next gear extension per the checklist resulted in the gear extending normally. After landing we notified Maintenance and documented the discrepancy in the maintenance log. The only threat was a gear system that did not extend normally. The threat was mitigated by completing the QRH checklist.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.