PROPERLY TORQUED JAM NUTS ON BULKHEAD HYDRAULIC FITTINGS. SERVICE LETTER MOS 12-OCT-2001 - (s) St 737-SL-29-084 POSSIBLE THIN-WALL CONDITION ON PARKER ABEX ELECRTIC MOTOR-DRIVEN PUMPS. SERVICE LETTER MOS 24 (s) 08-OCT-2001 St 737-SL-29-084 REV. A POSSIBLE THIN-WALL CONDITION ON PARKER ABEX ELECRTIC MOTOR-DRIVEN PUMPS. SERVICE