An MD83 declared an emergency and diverted to las due to an uncontained #1 engine failure.

Attributes
ACN	371614
Time
Date	199706
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : las
State Reference	NV
Altitude	msl bound lower : 3800 msl bound upper : 3800
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : las tower : ewr
Operator	common carrier : air carrier
Make Model Name	MD-83
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	climbout : initial other other
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 81 flight time total : 7600 flight time type : 307
ASRS Report	371614
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 other other : unspecified cockpit
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

WX at las was clear with unrestr visibility with a temperature of 100 degrees F. The aircraft was an MD83 at a weight of approximately 138000 pounds. After takeoff and at an altitude of approximately 3800 ft, a loud bang was heard in the cockpit followed by power loss on the l-hand engine. Vibration of the aircraft was also experienced at this point. The captain, as the PNF declared the emergency and requested a return to las. The crew carried out the engine out procedures and checklists and returned to land at las without further incident. Upon inspection of the aircraft, it was found to have a hole in the outboard left engine nacelle caused by possible failure of the N2 or compressor section. Also, during the time of occurrence passenger were briefed by flight attendants to prepare for our immediate return and emergency vehicles were summoned in case of problems upon landing. Passenger were deplaned at the gate after a normal taxi in using the right engine.

Original NASA ASRS Text

Title: AN MD83 DECLARED AN EMER AND DIVERTED TO LAS DUE TO AN UNCONTAINED #1 ENG FAILURE.

Narrative: WX AT LAS WAS CLR WITH UNRESTR VISIBILITY WITH A TEMP OF 100 DEGS F. THE ACFT WAS AN MD83 AT A WT OF APPROX 138000 LBS. AFTER TKOF AND AT AN ALT OF APPROX 3800 FT, A LOUD BANG WAS HEARD IN THE COCKPIT FOLLOWED BY PWR LOSS ON THE L-HAND ENG. VIBRATION OF THE ACFT WAS ALSO EXPERIENCED AT THIS POINT. THE CAPT, AS THE PNF DECLARED THE EMER AND REQUESTED A RETURN TO LAS. THE CREW CARRIED OUT THE ENG OUT PROCS AND CHKLISTS AND RETURNED TO LAND AT LAS WITHOUT FURTHER INCIDENT. UPON INSPECTION OF THE ACFT, IT WAS FOUND TO HAVE A HOLE IN THE OUTBOARD L ENG NACELLE CAUSED BY POSSIBLE FAILURE OF THE N2 OR COMPRESSOR SECTION. ALSO, DURING THE TIME OF OCCURRENCE PAX WERE BRIEFED BY FLT ATTENDANTS TO PREPARE FOR OUR IMMEDIATE RETURN AND EMER VEHICLES WERE SUMMONED IN CASE OF PROBS UPON LNDG. PAX WERE DEPLANED AT THE GATE AFTER A NORMAL TAXI IN USING THE R ENG.

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.