B737-400 crew was not able to retract the left main landing gear.

Attributes
ACN	627726
Time
Date	200408
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : zzz.tracon
Operator	common carrier : air carrier
Make Model Name	B737-400
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 16500 flight time type : 2150
ASRS Report	627726
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 13500 flight time type : 5000
ASRS Report	627728
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	aircraft equipment other aircraft equipment : landing gear indicator other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance flight crew : diverted to another airport flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

After takeoff a red gear illuminated. QRH procedure was applied. Gear was extended with 3 normal green lights. Fuel to destination became an issue and flight crew elected to divert to ZZZ. Normal landing was made.

Original NASA ASRS Text

Title: B737-400 CREW WAS NOT ABLE TO RETRACT THE L MAIN LNDG GEAR.

Narrative: AFTER TKOF A RED GEAR ILLUMINATED. QRH PROC WAS APPLIED. GEAR WAS EXTENDED WITH 3 NORMAL GREEN LIGHTS. FUEL TO DEST BECAME AN ISSUE AND FLT CREW ELECTED TO DIVERT TO ZZZ. NORMAL LNDG WAS MADE.

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.