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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.
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.