<< >> NASA ASRS Report 624862, July 2004

A B757-200 on approach at 700 ft declared an emergency due to left engine loud bang followed by continuous vibration and high exhaust gas temperature. Left engine loss of power.

Attributes
ACN	624862
Time
Date	200407
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 700
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : zzz.tower
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 210 flight time total : 15000 flight time type : 2000
ASRS Report	624862
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : left engine indications other flight crewa other flight crewb
Resolutory Action	flight crew : landed in emergency condition flight crew : declared emergency
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On approach, at approximately 700 ft AGL (autothrottles and autoplt disconnected), a bang was heard. Seconds later, another bang followed by continuous vibration. Left engine indications showed the engine losing power and the egt rising rapidly, peaking at 612 degrees. The flaps were repositioned for a single engine approach, the reference speeds adjusted accordingly. The engine was secured, emergency equipment requested, flight attendants notified and a landing was completed without incident. The aircraft taxied clear of the runway, was inspected by emergency personnel and escorted to the gate. Logbook entries were made. ATC, ramp and dispatch were notified. Callback conversation with reporter revealed the following information: the reporter stated no information has been received from maintenance on what failed on the left engine. The reporter said the engine was replaced but no other details.

Related reports:

• A C152 pilot flies into freezing rain when all he expected w...
• An MD80S captain reported that he had to shut down the left ...

	Enter your search terms Submit search form
	Web www.37000feet.com

Original NASA ASRS Text

Title: A B757-200 ON APCH AT 700 FT DECLARED AN EMER DUE TO L ENG LOUD BANG FOLLOWED BY CONTINUOUS VIBRATION AND HIGH EXHAUST GAS TEMP. L ENG LOSS OF PWR.

Narrative: ON APCH, AT APPROX 700 FT AGL (AUTOTHROTTLES AND AUTOPLT DISCONNECTED), A BANG WAS HEARD. SECONDS LATER, ANOTHER BANG FOLLOWED BY CONTINUOUS VIBRATION. L ENG INDICATIONS SHOWED THE ENG LOSING PWR AND THE EGT RISING RAPIDLY, PEAKING AT 612 DEGS. THE FLAPS WERE REPOSITIONED FOR A SINGLE ENG APCH, THE REF SPDS ADJUSTED ACCORDINGLY. THE ENG WAS SECURED, EMER EQUIP REQUESTED, FLT ATTENDANTS NOTIFIED AND A LNDG WAS COMPLETED WITHOUT INCIDENT. THE ACFT TAXIED CLR OF THE RWY, WAS INSPECTED BY EMER PERSONNEL AND ESCORTED TO THE GATE. LOGBOOK ENTRIES WERE MADE. ATC, RAMP AND DISPATCH WERE NOTIFIED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED NO INFO HAS BEEN RECEIVED FROM MAINT ON WHAT FAILED ON THE L ENG. THE RPTR SAID THE ENG WAS REPLACED BUT NO OTHER DETAILS.

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.