<< >> NASA ASRS Report 737215, May 2007

B757 left engine spooled down after level off. Flight crew descended and attempted restart which resulted in airframe vibration. Severe engine damage checklist accomplished; emergency declared; and diverted to nearest suitable airport.

Attributes
ACN	737215
Time
Date	200705
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : zzz.vor
State Reference	US
Altitude	msl single value : 37000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zzz.artcc tower : phx.tower
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	737215
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : diverted to another airport flight crew : landed in emergency condition flight crew : declared emergency
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

At FL370 just after leveloff; the autothrottles disconnected. We noticed the left engine spooling down and had no throttle response. Went to flight on the ignition. Still no response from the engine. We descended to FL290 and tried a restart. During restart attempt; we got airframe vibration and rapidly rising egt. We disconnected the restart. Then we accomplished the engine fire/severe damage/separation checklist. We declared an emergency and diverted to ZZZ. We notified company; flight attendants and passenger. We made a smooth touchdown at ZZZ weighing 200000 pounds. The entire crew performed their duties in a professional manner.

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Original NASA ASRS Text

Title: B757 LEFT ENGINE SPOOLED DOWN AFTER LEVEL OFF. FLT CREW DESCENDED AND ATTEMPTED RESTART WHICH RESULTED IN AIRFRAME VIBRATION. SEVERE ENG DAMAGE CHECKLIST ACCOMPLISHED; EMERGENCY DECLARED; AND DIVERTED TO NEAREST SUITABLE AIRPORT.

Narrative: AT FL370 JUST AFTER LEVELOFF; THE AUTOTHROTTLES DISCONNECTED. WE NOTICED THE L ENG SPOOLING DOWN AND HAD NO THROTTLE RESPONSE. WENT TO FLT ON THE IGNITION. STILL NO RESPONSE FROM THE ENG. WE DSNDED TO FL290 AND TRIED A RESTART. DURING RESTART ATTEMPT; WE GOT AIRFRAME VIBRATION AND RAPIDLY RISING EGT. WE DISCONNECTED THE RESTART. THEN WE ACCOMPLISHED THE ENG FIRE/SEVERE DAMAGE/SEPARATION CHKLIST. WE DECLARED AN EMER AND DIVERTED TO ZZZ. WE NOTIFIED COMPANY; FLT ATTENDANTS AND PAX. WE MADE A SMOOTH TOUCHDOWN AT ZZZ WEIGHING 200000 LBS. THE ENTIRE CREW PERFORMED THEIR DUTIES IN A PROFESSIONAL MANNER.

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.