An EMB145 commuter flight has to return and land when the gear fails to retract after takeoff from e...

Attributes
ACN	571658
Time
Date	200301
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : ewr.airport
State Reference	NJ
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : n90.tracon tower : ewr.tower tower : ict.tower
Operator	common carrier : air carrier
Make Model Name	EMB ERJ 145 ER&LR
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi pilot : multi engine
Experience	flight time last 90 days : 210 flight time total : 2800 flight time type : 600
ASRS Report	571658
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : gear lites other flight crewa other flight crewb
Resolutory Action	other
Consequence	other other
Supplementary
Problem Areas	Environmental Factor Flight Crew Human Performance Aircraft
Primary Problem	Ambiguous

Narrative:

Upon departure from ewr, placed gear lever in 'up' position. Gear failed to retract and master warning, and received 'landing gear lever disagree' message on EICAS. Performed QRH procedure during, which we attempted to cycle the gear 2 more times with no success. Decided to return to ewr. No emergency was declared, but arff equipment called out as a precaution. Landing was uneventful.

Original NASA ASRS Text

Title: AN EMB145 COMMUTER FLT HAS TO RETURN AND LAND WHEN THE GEAR FAILS TO RETRACT AFTER TKOF FROM EWR, NJ.

Narrative: UPON DEP FROM EWR, PLACED GEAR LEVER IN 'UP' POS. GEAR FAILED TO RETRACT AND MASTER WARNING, AND RECEIVED 'LNDG GEAR LEVER DISAGREE' MESSAGE ON EICAS. PERFORMED QRH PROC DURING, WHICH WE ATTEMPTED TO CYCLE THE GEAR 2 MORE TIMES WITH NO SUCCESS. DECIDED TO RETURN TO EWR. NO EMER WAS DECLARED, BUT ARFF EQUIP CALLED OUT AS A PRECAUTION. LNDG WAS UNEVENTFUL.

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.

An EMB145 commuter flight has to return and land when the gear fails to retract after takeoff from ewr, nj.