Flight crew of DC9 performed emergency gear extension prior to arrival at bil.

Attributes
ACN	425789
Time
Date	199901
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : bil
State Reference	MT
Altitude	msl bound lower : 6000 msl bound upper : 6000
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	DC-9 Undifferentiated or Other Model
Flight Phase	landing other other
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 150 flight time total : 14000 flight time type : 4000
ASRS Report	425789
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem other
Consequence	Other

Narrative:

Landing gear handle frozen in up position. DC9 abnormal for emergency landing gear extension accomplished and landing gear verified down and locked. Landing uneventful. Maintenance verified cause as excessive water draining from main deck melted snow froze landing gear control cables. Maintenance performed required procedures and returned aircraft to service.

Original NASA ASRS Text

Title: FLC OF DC9 PERFORMED EMER GEAR EXTENSION PRIOR TO ARR AT BIL.

Narrative: LNDG GEAR HANDLE FROZEN IN UP POS. DC9 ABNORMAL FOR EMER LNDG GEAR EXTENSION ACCOMPLISHED AND LNDG GEAR VERIFIED DOWN AND LOCKED. LNDG UNEVENTFUL. MAINT VERIFIED CAUSE AS EXCESSIVE WATER DRAINING FROM MAIN DECK MELTED SNOW FROZE LNDG GEAR CTL CABLES. MAINT PERFORMED REQUIRED PROCS AND RETURNED ACFT TO SVC.

Data retrieved from NASA's ASRS site as of July 2007 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.