Narrative:

Aircraft was level at 15;000 ft. Aircraft configuration was gear up flaps 30 for the B757 flight test flaps 30 stick shaker check. I was first officer (first officer) for flight and pm (pilot monitoring). Oil pressure was noted at 4 psi with an associated right oil pres discreet light. Oil quantity was zero. Engine was operating. Right engine oil pressure did not change when thrust lever was increased. Complied with the right engine oil pressure checklist. With oil pressure in the red band the checklist directs to go to the inflight engine failure/shutdown checklist. Right engine was shut down in accordance with (in accordance with) the right engine failure or shutdown checklist. The checklist and operation manual directs to land at the nearest suitable field. The nearest alternate was approximately 150 NM [away] with a line of thunderstorms between us. Weather at another possible alternate had thunderstorms overhead. ATC recommended a third option; but they had heavy rain and thunderstorms 10 NM south heading north. The fourth option was [the] next closest suitable field. Diverted to the fourth option. Approach; landing; taxi and shutdown were uneventful. Excellent crew coordination and assistance from our dispatcher. Ramp and maintenance were ready for us and very helpful.on post flight inspection both right engine gearbox magnetic chip detectors were heavily loaded with ferrous material. Engine oil quantity was zero.loss of all oil in [right] engine inflight.

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Original NASA ASRS Text

Title: B757-200 Captain reported diverting a test flight to an alternate airport after shutting down the right engine due to loss of oil pressure.

Narrative: Aircraft was level at 15;000 ft. Aircraft configuration was gear up flaps 30 for the B757 flight test flaps 30 stick shaker check. I was FO (First Officer) for flight and PM (Pilot Monitoring). Oil pressure was noted at 4 PSI with an associated R OIL PRES discreet light. Oil quantity was zero. Engine was operating. Right engine oil pressure did not change when thrust lever was increased. Complied with the R ENGINE OIL PRESSURE Checklist. With oil pressure in the red band the checklist directs to go to the Inflight Engine Failure/Shutdown checklist. Right engine was shut down IAW (In Accordance With) the Right Engine Failure or shutdown checklist. The checklist and Operation Manual directs to land at the nearest suitable field. The nearest alternate was approximately 150 NM [away] with a line of thunderstorms between us. Weather at another possible alternate had thunderstorms overhead. ATC recommended a third option; but they had heavy rain and thunderstorms 10 NM south heading north. The fourth option was [the] next closest suitable field. Diverted to the fourth option. Approach; landing; taxi and shutdown were uneventful. Excellent crew coordination and assistance from our dispatcher. Ramp and maintenance were ready for us and very helpful.On post flight inspection both right engine gearbox magnetic chip detectors were heavily loaded with ferrous material. Engine oil quantity was zero.Loss of all oil in [Right] Engine inflight.

Data retrieved from NASA's ASRS site 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.