What was found
MECH STARTED OVERHAUL ON AIRCRAFT HYDRAULICS. FLAP ACTUATOR LOOKED GOOD, NO LEAKS. ALL O-RINGS LOOKED GOOD, THAT IS NOT SQUARED OFF, AND STILL PLIABLE. FLUID CLEAN WITH A SLIGHT FILM RESIDUE ON THE BOTTOM OF ACTUATOR END PIECES. REMOVAL OF THE BRAKE LINES AT THE WHEEL CYL INDICATED THE SAME CONGEALED PROBLEM THAT N NR 3312K HAD, BUT PROBABLY NOT QUITE AS CONGEALED. THE 5606 BRAKE FLUID TOOK ABOUT TEN MINUTES FOR THE FIRST DROP TO COME OUT. A COUPLE OF TABLESPOONS OF THIS 'GOO' SLOWLY DRIPPED OUT BEFORE NORMAL FLUID FLOW STARTED. THE LINE WAS A 601 AEROQUIP AND IS SUPPLYING FLUID TO CLEVELAND 30-79B BRAKE ASSEMBLIES, AND HAD BEEN INSTALLED FOR MORE THAN 10 YEARS WITHOUT THE NEED TO BLEED THE SYSTEM.