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B757 flight crew at FL340 notices left engine oil quantity is zero followed shortly by loss of oil pressure. Engine is secured; emergency declared with diversion to nearest suitable airport.
| Attributes | |
| ACN | 759742 |
| Time | |
| Date | 200710 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzzz.airport |
| State Reference | FO |
| Altitude | msl single value : 34000 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 759742 |
| 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 |
| Resolutory Action | flight crew : declared emergency flight crew : diverted to another airport flight crew : landed in emergency condition |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Level at FL340; 20 mins into flight. I was PF. Captain noticed left engine oil quantity was zero. Other indications normal. Shortly after; left engine oil pressure began to drop. We performed engine oil pressure checklist and engine failure or precautionary shutdown checklist. Captain declared emergency and we descended to FL200. Due to aircraft weight and mountainous terrain around; we decided to proceed to ZZZZ1. Landing was uneventful and below maximum landing weight.
Original NASA ASRS Text
Title: B757 FLT CREW AT FL340 NOTICES L ENG OIL QUANTITY IS ZERO FOLLOWED SHORTLY BY LOSS OF OIL PRESSURE. ENG IS SECURED; EMERGENCY DECLARED WITH DIVERSION TO NEAREST SUITABLE ARPT.
Narrative: LEVEL AT FL340; 20 MINS INTO FLT. I WAS PF. CAPT NOTICED L ENG OIL QUANTITY WAS ZERO. OTHER INDICATIONS NORMAL. SHORTLY AFTER; L ENG OIL PRESSURE BEGAN TO DROP. WE PERFORMED ENG OIL PRESSURE CHKLIST AND ENG FAILURE OR PRECAUTIONARY SHUTDOWN CHKLIST. CAPT DECLARED EMER AND WE DSNDED TO FL200. DUE TO ACFT WT AND MOUNTAINOUS TERRAIN AROUND; WE DECIDED TO PROCEED TO ZZZZ1. LNDG WAS UNEVENTFUL AND BELOW MAX LNDG WT.
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.