As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PTU AND LT LOW HYD QTY STATUS MSG ON EICAS. FOUND PTU PRESS MODULE FILTER BOWL BROKEN. REMOVED HYD PRESSURE PTU FILTER MODULE 239798 DUMPED HEAD. PRESSURE ON LEFT HYD SYSTEM 239798 NEEDS PTU PRESSURE FILTER MODULE ASSY REF IPC 29-22-02-01 ITEM 010J239798. INSTALLED PT PRESSURE MODULE PER M/M 29-22-02-404-020, CHECKS OK. MFG P/N INSTALLED 271N2009-3.