Engine noise and vibration prompt engine shutdown for air carrier medium large transport.

Attributes
ACN	141237
Time
Date	199003
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : hou
State Reference	TX
Altitude	msl bound lower : 14000 msl bound upper : 14000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zhu
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 196 flight time total : 9062 flight time type : 5251
ASRS Report	141237
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	flight crew : declared emergency flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

During climb, #1 engine developed a very loud vibration which could also be felt throughout airplane. Executed #1 engine precautionary shutdown checklist. Notified ATC and company. Returned to iah and landed. We were not overweight.

Original NASA ASRS Text

Title: ENGINE NOISE AND VIBRATION PROMPT ENGINE SHUTDOWN FOR ACR MLG.

Narrative: DURING CLIMB, #1 ENGINE DEVELOPED A VERY LOUD VIBRATION WHICH COULD ALSO BE FELT THROUGHOUT AIRPLANE. EXECUTED #1 ENGINE PRECAUTIONARY SHUTDOWN CHECKLIST. NOTIFIED ATC AND COMPANY. RETURNED TO IAH AND LANDED. WE WERE NOT OVERWEIGHT.

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.