What was found
BOTH UNITS O/H AT MFG. WHEN CHANGING SOCK, FOUND RUST STAINS ON SOCK. REMOVED AND FOUND RETAINING CHAIN PN 834639 RUSTED. CHAIN WAS WRONG MATERIAL (METAL) AND INCORRECT LENGTH (9.5 INCHES). REPLACEMENT UNIT WAS SS WITH A TOTAL LENGTH OF (6 INCHES). ALSO ON UNIT 67-272 (1) OF (8) INTERNAL RETAINING SCREWS WAS FOUND NOT SEATED AND IN CONTACT WITH PART GASKET. ALSO FOUND INSIDE SAME UNIT WAS A PIECE OF MASKING TAPE (2 INCHES X 6 INCHES) WITH SN OF UNIT WRITTEN WITH A RED MARKER STILL AFFIXED TO INNER COATING OF AFT SECTION. WO NR TTT91055 (SN 49-945) DATED SEPT 28, 2006. AND CLJ14812 (SN 67-272) DATED SEPT 24, 2007. (K)