What was found
LOST HYDRAULICS DOWN TO THE STAND-PIPE. PERFORMED PROCEDURES PER QRH ABNORMAL CHECKLIST. REPLACED O-RINGS ON SLOT VALVE PER DC8 MM 29-10-20, LK AND OPS CK GOOD AT THIS TIME.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOST HYDRAULICS DOWN TO THE STAND-PIPE. PERFORMED PROCEDURES PER QRH ABNORMAL CHECKLIST. REPLACED O-RINGS ON SLOT VALVE PER DC8 MM 29-10-20, LK AND OPS CK GOOD AT THIS TIME.