Narrative:

All operations going as planned during climb out from ZZZ in VNAV climb power heading 270 degrees until just after 10000 ft AGL; I cycled the no smoking sign then noticed and informed the PF with the center autoplt engaged of the left engine oil pressure fluctuating with oil quantity zero. As I grabbed the QRH I had the PF request a leveloff and request a turn to return to ZZZ. When we referenced the QRH engine oil pressure 7.31 the EICAS left engine oil pressure message illuminated so we accomplished the engine shutdown as directed. I declared an emergency with ATC and requested visual to the longest runway that we just took off from 7-10 mins earlier. I informed the flight attendants via intercom of our engine-out situation and planned return then made a PA to the passenger also informing them of our returning to ZZZ as well as assuring them the B757 was very capable of operating safely on 1 engine and directed them to follow flight attendant instruction now and after landing to remain seated while ground crews inspected our jet. We accomplished the descent; and approach checklists items and set up the FMS and cabin altitude on the pressurization panel for our return. The PF turned over flying duties to me and made sure all checklists and cleanup items were accomplished properly. After the smooth overweight touchdown we exited the runway on a very wide high speed and had the fire chief inspect our aircraft before returning to gate. The PA after landing to inform the passenger of what was going on was followed up with an intercom chat with the lead flight attendant to make sure all was well in the back before taxiing to our gate.

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Original NASA ASRS Text

Title: A B757 ENG OIL QTY WENT TO ZERO CAUSING A FLUCTUATING OIL PRESSURE. THE CREW DECLARED AN EMER AND RETURNED TO LAND AT THE DEP ARPT.

Narrative: ALL OPS GOING AS PLANNED DURING CLBOUT FROM ZZZ IN VNAV CLB PWR HDG 270 DEGS UNTIL JUST AFTER 10000 FT AGL; I CYCLED THE NO SMOKING SIGN THEN NOTICED AND INFORMED THE PF WITH THE CTR AUTOPLT ENGAGED OF THE L ENG OIL PRESSURE FLUCTUATING WITH OIL QUANTITY ZERO. AS I GRABBED THE QRH I HAD THE PF REQUEST A LEVELOFF AND REQUEST A TURN TO RETURN TO ZZZ. WHEN WE REFED THE QRH ENG OIL PRESSURE 7.31 THE EICAS L ENG OIL PRESSURE MESSAGE ILLUMINATED SO WE ACCOMPLISHED THE ENG SHUTDOWN AS DIRECTED. I DECLARED AN EMER WITH ATC AND REQUESTED VISUAL TO THE LONGEST RWY THAT WE JUST TOOK OFF FROM 7-10 MINS EARLIER. I INFORMED THE FLT ATTENDANTS VIA INTERCOM OF OUR ENG-OUT SITUATION AND PLANNED RETURN THEN MADE A PA TO THE PAX ALSO INFORMING THEM OF OUR RETURNING TO ZZZ AS WELL AS ASSURING THEM THE B757 WAS VERY CAPABLE OF OPERATING SAFELY ON 1 ENG AND DIRECTED THEM TO FOLLOW FLT ATTENDANT INSTRUCTION NOW AND AFTER LNDG TO REMAIN SEATED WHILE GND CREWS INSPECTED OUR JET. WE ACCOMPLISHED THE DSCNT; AND APCH CHKLISTS ITEMS AND SET UP THE FMS AND CABIN ALT ON THE PRESSURIZATION PANEL FOR OUR RETURN. THE PF TURNED OVER FLYING DUTIES TO ME AND MADE SURE ALL CHKLISTS AND CLEANUP ITEMS WERE ACCOMPLISHED PROPERLY. AFTER THE SMOOTH OVERWT TOUCHDOWN WE EXITED THE RWY ON A VERY WIDE HIGH SPD AND HAD THE FIRE CHIEF INSPECT OUR ACFT BEFORE RETURNING TO GATE. THE PA AFTER LNDG TO INFORM THE PAX OF WHAT WAS GOING ON WAS FOLLOWED UP WITH AN INTERCOM CHAT WITH THE LEAD FLT ATTENDANT TO MAKE SURE ALL WAS WELL IN THE BACK BEFORE TAXIING TO OUR GATE.

Data retrieved from NASA's ASRS site as of May 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.