Narrative:

Working aircraft X at FL380; right engine pressure observed to go in and out of caution range. Oil quantity observed to be zero. Referred to QRH for both conditions observed and decided to divert.considering weather conditions [at destination] and altitude to be lost decision made to divert (both engines operating). Informed dispatch of situation and diversion via ACARS.[advised ATC of situation] and proceeded direct to [diversion airport] with normal landing.

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Original NASA ASRS Text

Title: B737 Captain reported that the right hand engine oil pressure was erratic and the oil quantity was indicating zero and diverting.

Narrative: Working Aircraft X at FL380; right engine pressure observed to go in and out of caution range. Oil quantity observed to be zero. Referred to QRH for both conditions observed and decided to divert.Considering weather conditions [at destination] and altitude to be lost decision made to divert (both engines operating). Informed dispatch of situation and diversion via ACARS.[Advised ATC of situation] and proceeded direct to [diversion airport] with normal landing.

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.