Narrative:

At FL370. ECAM message: Y hydraulic lo lvl. Followed ECAM and QRH non normal yellow ptu failed.

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Original NASA ASRS Text

Title: An A320's Yellow Hydraulic System PTU failed in flight causing a loss of yellow hydraulic system fluid. The ECAM alerted 'Y HYD LO LVL'.

Narrative: AT FL370. ECAM MSG: Y HYD LO LVL. FOLLOWED ECAM AND QRH NON NORMAL YELLOW PTU FAILED.

Data retrieved from NASA's ASRS site as of April 2012 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.