<< >> NASA ASRS Report 731863, March 2007

Air carrier captain reports engine compressor stall and surge on takeoff roll later found to be related to ice in the nacelle. They continued takeoff; stabilized the engine; declared an emergency; and returned to departure airport.

Attributes
ACN	731863
Time
Date	200703
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 14000 flight time type : 1800
ASRS Report	731863
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other controllera other flight crewa other flight crewb
Resolutory Action	flight crew : declared emergency other
Supplementary
Problem Areas	Company Aircraft
Primary Problem	Ambiguous

Narrative:

On takeoff roll experienced left engine vibration and surging compressor stall at 100 KIAS. Continued takeoff; leveled off at 2000 ft and declared an emergency after report from tower of explosions and fire coming from the engine. With power reduced to 1.2 more normal 180 KIAS pattern cruise; both engines operated normally so continued back for normal 2 engine landing. The airframe was free of ice after previous day's ice storm. 10 minute engine warm up. Static takeoff with engine anti-ice on. After landing and taxi in; we looked at an identical airplane parked next to us from the previous day's ice storm. With a ladder we looked in the engines and saw 1 inch ice puddles in the bottom of the engines. There is no procedure for pilots to climb up to the engine inlets to inspect the tail mounted engines. This should be done after ice storms.

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Original NASA ASRS Text

Title: ACR CAPT RPTS ENG COMPRESSOR STALL AND SURGE ON TKOF ROLL LATER FOUND TO BE RELATED TO ICE IN THE NACELLE. THEY CONTINUED TKOF; STABILIZED THE ENG; DECLARED AN EMER; AND RETURNED TO DEP ARPT.

Narrative: ON TKOF ROLL EXPERIENCED L ENG VIBRATION AND SURGING COMPRESSOR STALL AT 100 KIAS. CONTINUED TKOF; LEVELED OFF AT 2000 FT AND DECLARED AN EMER AFTER RPT FROM TWR OF EXPLOSIONS AND FIRE COMING FROM THE ENG. WITH POWER REDUCED TO 1.2 MORE NORMAL 180 KIAS PATTERN CRUISE; BOTH ENGS OPERATED NORMALLY SO CONTINUED BACK FOR NORMAL 2 ENG LNDG. THE AIRFRAME WAS FREE OF ICE AFTER PREVIOUS DAY'S ICE STORM. 10 MINUTE ENG WARM UP. STATIC TKOF WITH ENG ANTI-ICE ON. AFTER LNDG AND TAXI IN; WE LOOKED AT AN IDENTICAL AIRPLANE PARKED NEXT TO US FROM THE PREVIOUS DAY'S ICE STORM. WITH A LADDER WE LOOKED IN THE ENGS AND SAW 1 INCH ICE PUDDLES IN THE BOTTOM OF THE ENGS. THERE IS NO PROC FOR PLTS TO CLB UP TO THE ENG INLETS TO INSPECT THE TAIL MOUNTED ENGS. THIS SHOULD BE DONE AFTER ICE STORMS.

Data retrieved from NASA's ASRS site as of January 2009 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.