Air carrier medium large transport experiences gear door unsafe light after takeoff, makes landing.

Attributes
ACN	132478
Time
Date	198912
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : roc
State Reference	NY
Altitude	agl bound lower : 0 agl bound upper : 2000
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	tower : roc
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	climbout : takeoff other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : cfi pilot : atp pilot : instrument
Experience	flight time last 90 days : 100 flight time total : 12000 flight time type : 280
ASRS Report	132478
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

After takeoff, gear was retracted, gear door unsafe light came on. Extended gear, light remained on. Left landing gear down, proceeded to syr and followed abnormal procedures. Landed and waited on runway 45 mins for maintenance to install gear pins.

Original NASA ASRS Text

Title: ACR MLG EXPERIENCES GEAR DOOR UNSAFE LIGHT AFTER TKOF, MAKES LNDG.

Narrative: AFTER TKOF, GEAR WAS RETRACTED, GEAR DOOR UNSAFE LIGHT CAME ON. EXTENDED GEAR, LIGHT REMAINED ON. LEFT LNDG GEAR DOWN, PROCEEDED TO SYR AND FOLLOWED ABNORMAL PROCS. LANDED AND WAITED ON RWY 45 MINS FOR MAINT TO INSTALL GEAR PINS.

Data retrieved from NASA's ASRS site as of August 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.