Air carrier large transport experiences compressor stall on #3 engine at takeoff, emergency declared and aircraft returned for landing. Postflt inspection revealed compressor blade damage, possibly from ice ingestion.

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Attributes
ACN	132281
Time
Date	198912
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lga
State Reference	NY
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90 tower : lga
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : initial climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : flight engineer pilot : cfi pilot : atp pilot : commercial
Experience	flight time last 90 days : 134 flight time total : 15000 flight time type : 7000
ASRS Report	132281
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 260 flight time total : 7500 flight time type : 4900
ASRS Report	132468
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : declared emergency flight crew : overcame equipment problem other
Consequence	other
Supplementary
Primary Problem	Aircraft

Narrative:

At rotation, during takeoff runway 04, #3 engine experienced a compressor stall. During climb out, at approximately 180 KTS, we experienced repeated compressor stalls. Compressor stalls stopped when throttle was retarded to idle. Cleaned up the aircraft, advised ATC we had lost an engine and declared an emergency to ensure priority handling in returning to lga, as WX was marginal. All necessary checklists were read and complied with. Fuel was dumped, with ATC vectors to get aircraft to maximum landing weight. Elected to not shutdown engine and operate it at idle due to operational considerations, including WX, icing conditions and high gross weight. Landing was uneventful. Aircraft had been de-iced twice before takeoff. Post-flight inspection of #3 engine revealed compressor blade damage, possible due to ice ingestion.

Original NASA ASRS Text

Title: ACR LGT EXPERIENCES COMPRESSOR STALL ON #3 ENGINE AT TKOF, EMERGENCY DECLARED AND ACFT RETURNED FOR LNDG. POSTFLT INSPECTION REVEALED COMPRESSOR BLADE DAMAGE, POSSIBLY FROM ICE INGESTION.

Narrative: AT ROTATION, DURING TKOF RWY 04, #3 ENG EXPERIENCED A COMPRESSOR STALL. DURING CLBOUT, AT APPROX 180 KTS, WE EXPERIENCED REPEATED COMPRESSOR STALLS. COMPRESSOR STALLS STOPPED WHEN THROTTLE WAS RETARDED TO IDLE. CLEANED UP THE ACFT, ADVISED ATC WE HAD LOST AN ENG AND DECLARED AN EMER TO ENSURE PRIORITY HANDLING IN RETURNING TO LGA, AS WX WAS MARGINAL. ALL NECESSARY CHKLISTS WERE READ AND COMPLIED WITH. FUEL WAS DUMPED, WITH ATC VECTORS TO GET ACFT TO MAX LNDG WT. ELECTED TO NOT SHUTDOWN ENG AND OPERATE IT AT IDLE DUE TO OPERATIONAL CONSIDERATIONS, INCLUDING WX, ICING CONDITIONS AND HIGH GROSS WT. LNDG WAS UNEVENTFUL. ACFT HAD BEEN DE-ICED TWICE BEFORE TKOF. POST-FLT INSPECTION OF #3 ENG REVEALED COMPRESSOR BLADE DAMAGE, POSSIBLE DUE TO ICE INGESTION.

Data retrieved from NASA's ASRS site as of August 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.