An md super 80 immediately after takeoff declared an emergency and diverted due to nose landing gear unsafe light and severe vibration caused by nose landing gear doors operated out of sequence.

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Attributes
ACN	470669
Time
Date	200004
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 500
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tower : zzz.tower
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : takeoff
Route In Use	departure : other published ifr departure
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : multi engine pilot : instrument
ASRS Report	470669
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport flight crew : declared emergency
Consequence	other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : unqualified personnel performance deficiency : training performance deficiency : inspection
Supplementary
Problem Areas	Maintenance Human Performance Company Flight Crew Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Conducted preflight. Noticed very slight hydraulic leak on left captain side nosewheel steering actuator. Forward nosewheel doors closed. Asked captain to check. Captain looked at leak and asked me to call station maintenance. I am new and 'did not know' that maintenance at ZZZ is contract. Maintenance inspected slight leak and advised captain that aircraft was good to go, signed off log. Captain inspected lob. It was departure time and there was a rush to get the flight inspected. Upon selection of gear up on departure we received red gear unsafe light and had severe vibration. Complied with abnormal checklist -- no fix. Captain elected to divert to mia and make overweight landing. Company maintenance suspects contract maintenance left forward nosewheel doors open, therefore, putting them out of sequence for retraction. Forward doors were closed when I did my preflight inspection. When maintenance said we were good to go, captain felt comfortable with the situation and we departed.

Original NASA ASRS Text

Title: AN MD SUPER 80 IMMEDIATELY AFTER TKOF DECLARED AN EMER AND DIVERTED DUE TO NOSE LNDG GEAR UNSAFE LIGHT AND SEVERE VIBRATION CAUSED BY NOSE LNDG GEAR DOORS OPERATED OUT OF SEQUENCE.

Narrative: CONDUCTED PREFLT. NOTICED VERY SLIGHT HYD LEAK ON L CAPT SIDE NOSEWHEEL STEERING ACTUATOR. FORWARD NOSEWHEEL DOORS CLOSED. ASKED CAPT TO CHK. CAPT LOOKED AT LEAK AND ASKED ME TO CALL STATION MAINT. I AM NEW AND 'DID NOT KNOW' THAT MAINT AT ZZZ IS CONTRACT. MAINT INSPECTED SLIGHT LEAK AND ADVISED CAPT THAT ACFT WAS GOOD TO GO, SIGNED OFF LOG. CAPT INSPECTED LOB. IT WAS DEP TIME AND THERE WAS A RUSH TO GET THE FLT INSPECTED. UPON SELECTION OF GEAR UP ON DEP WE RECEIVED RED GEAR UNSAFE LIGHT AND HAD SEVERE VIBRATION. COMPLIED WITH ABNORMAL CHKLIST -- NO FIX. CAPT ELECTED TO DIVERT TO MIA AND MAKE OVERWT LNDG. COMPANY MAINT SUSPECTS CONTRACT MAINT LEFT FORWARD NOSEWHEEL DOORS OPEN, THEREFORE, PUTTING THEM OUT OF SEQUENCE FOR RETRACTION. FORWARD DOORS WERE CLOSED WHEN I DID MY PREFLT INSPECTION. WHEN MAINT SAID WE WERE GOOD TO GO, CAPT FELT COMFORTABLE WITH THE SIT AND WE DEPARTED.

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.