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DC9 engine gives muffled thud and ceases to rotate. Emergency declared. Aircraft equipment problem engine. In-flight engine shutdown.
| Attributes | |
| ACN | 338839 |
| Time | |
| Date | 199606 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : clt |
| State Reference | NC |
| Altitude | msl bound lower : 19000 msl bound upper : 19000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 12000 flight time type : 5000 |
| ASRS Report | 338839 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
Very simple here. Descending into clt from sdf, the left engine which was at about 70 percent N1, emitted a muffled thud and stopped rotating. Copilot was flying, captain read appropriate checklist and took over the flying. Landed the aircraft uneventfully. The left engine gave no prior indication that it was having a problem. We did declare an emergency at engine failure and canceled upon landing.
Original NASA ASRS Text
Title: DC9 ENG GIVES MUFFLED THUD AND CEASES TO ROTATE. EMER DECLARED. ACFT EQUIP PROB ENG. INFLT ENG SHUTDOWN.
Narrative: VERY SIMPLE HERE. DSNDING INTO CLT FROM SDF, THE L ENG WHICH WAS AT ABOUT 70 PERCENT N1, EMITTED A MUFFLED THUD AND STOPPED ROTATING. COPLT WAS FLYING, CAPT READ APPROPRIATE CHKLIST AND TOOK OVER THE FLYING. LANDED THE ACFT UNEVENTFULLY. THE L ENG GAVE NO PRIOR INDICATION THAT IT WAS HAVING A PROB. WE DID DECLARE AN EMER AT ENG FAILURE AND CANCELED UPON LNDG.
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.