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A B767-300 experienced a catastrophic engine failure descending through FL250. An emergency was declared followed by an emergency landing.
| Attributes | |
| ACN | 729583 |
| Time | |
| Date | 200702 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 25000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : n/s |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi pilot : commercial pilot : flight engineer pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 178 flight time total : 9500 flight time type : 1611 |
| ASRS Report | 729583 |
| 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 : eicas other flight crewa other flight crewb |
| Resolutory Action | flight crew : declared emergency flight crew : landed in emergency condition |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
On descent; we experienced a loud boom followed by a repetitious bump; bump; bump noise coming from the aircraft. Engine gauges confirmed the #1 engine had lost N1 and thrust. The flight attendants were quick to call the cockpit with the confirmation something was wrong and the status of the passenger. We split the cockpit duties and I trimmed the aircraft while the captain completed the QRH engine failure checklist and coordinated with the cabin and company. Once the engine was shut down; the noise went away. We declared an emergency with center and continued with the arrival until getting a vector for the OM. The captain assumed control of the aircraft on the downwind leg and made an uneventful landing on runway 9L. Clearing the runway; there was no evidence of smoke or fluids coming from the #1 engine; so we taxied to the gate.
Original NASA ASRS Text
Title: A B767-300 EXPERIENCED A CATASTROPHIC ENG FAILURE DESCENDING THROUGH FL250. AN EMERGENCY WAS DECLARED FOLLOWED BY AN EMERGENCY LNDG.
Narrative: ON DSCNT; WE EXPERIENCED A LOUD BOOM FOLLOWED BY A REPETITIOUS BUMP; BUMP; BUMP NOISE COMING FROM THE ACFT. ENG GAUGES CONFIRMED THE #1 ENG HAD LOST N1 AND THRUST. THE FLT ATTENDANTS WERE QUICK TO CALL THE COCKPIT WITH THE CONFIRMATION SOMETHING WAS WRONG AND THE STATUS OF THE PAX. WE SPLIT THE COCKPIT DUTIES AND I TRIMMED THE ACFT WHILE THE CAPT COMPLETED THE QRH ENG FAILURE CHKLIST AND COORDINATED WITH THE CABIN AND COMPANY. ONCE THE ENG WAS SHUT DOWN; THE NOISE WENT AWAY. WE DECLARED AN EMER WITH CTR AND CONTINUED WITH THE ARR UNTIL GETTING A VECTOR FOR THE OM. THE CAPT ASSUMED CTL OF THE ACFT ON THE DOWNWIND LEG AND MADE AN UNEVENTFUL LNDG ON RWY 9L. CLRING THE RWY; THERE WAS NO EVIDENCE OF SMOKE OR FLUIDS COMING FROM THE #1 ENG; SO WE TAXIED TO THE GATE.
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.