Flight crew of an light transport felt a vibration and air pressure fluctuations after takeoff and a...

Attributes
ACN	334727
Time
Date	199604
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : las
State Reference	NV
Altitude	agl bound lower : 0 agl bound upper : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : las
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 135
Flight Phase	climbout : initial climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	other other : other pilot : atp
Experience	flight time last 90 days : 100 flight time total : 2500 flight time type : 30
ASRS Report	334727
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Upon rotation we experienced strong vibration and air pressure fluctuations. The captain elected to return for landing. While I performed the required checklist items and communicated with las tower, the captain extended the gear and prepared the aircraft for a safe landing on runway 19L. After touchdown and rollout, our first indication of a door problem occurred when a member of the emergency response team pointed to the rear of the aircraft and informed the tower that our cargo door did not appear to be fully closed. The captain parked the aircraft at the gate and the passenger were deplaned. The cargo door light was inoperative and deferred per the MEL. Apparently the door was opened after the crew performed the preflight and not closed. Since the indication system was inoperative, the crew was not aware that the door could be open. A suggestion to prevent a recurrence is to make policy that no doors are opened after a preflight inspection without notifying the crew.

Original NASA ASRS Text

Title: FLC OF AN LTT FELT A VIBRATION AND AIR PRESSURE FLUCTUATIONS AFTER TKOF AND AS A RESULT RETURNED TO LAND. A REAR BAGGAGE DOOR CAME OPEN.

Narrative: UPON ROTATION WE EXPERIENCED STRONG VIBRATION AND AIR PRESSURE FLUCTUATIONS. THE CAPT ELECTED TO RETURN FOR LNDG. WHILE I PERFORMED THE REQUIRED CHKLIST ITEMS AND COMMUNICATED WITH LAS TWR, THE CAPT EXTENDED THE GEAR AND PREPARED THE ACFT FOR A SAFE LNDG ON RWY 19L. AFTER TOUCHDOWN AND ROLLOUT, OUR FIRST INDICATION OF A DOOR PROB OCCURRED WHEN A MEMBER OF THE EMER RESPONSE TEAM POINTED TO THE REAR OF THE ACFT AND INFORMED THE TWR THAT OUR CARGO DOOR DID NOT APPEAR TO BE FULLY CLOSED. THE CAPT PARKED THE ACFT AT THE GATE AND THE PAX WERE DEPLANED. THE CARGO DOOR LIGHT WAS INOP AND DEFERRED PER THE MEL. APPARENTLY THE DOOR WAS OPENED AFTER THE CREW PERFORMED THE PREFLT AND NOT CLOSED. SINCE THE INDICATION SYS WAS INOP, THE CREW WAS NOT AWARE THAT THE DOOR COULD BE OPEN. A SUGGESTION TO PREVENT A RECURRENCE IS TO MAKE POLICY THAT NO DOORS ARE OPENED AFTER A PREFLT INSPECTION WITHOUT NOTIFYING THE CREW.

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.

Flight crew of an light transport felt a vibration and air pressure fluctuations after takeoff and as a result returned to land. A rear baggage door came open.