What was found
DURING TROUBLESHOOTING FOR SIMULTANEOUS "ROLL FAIL" AND "SPEED BRAKE FAIL" ANNUNCIATOR INDICATIONS REPLACED HBC P/N 390-384011-0019 SPOILER SYSTEM ELECTRONIC CONTROL MODULE WITH AN ELECTRONIC CONTROL MODULE REPAIRED BY MANUFACTURER'S FACILITY 8/04/2009. DURING FOLLOWING MAINTENANCE OPERATIONS COULD NOT BRING POSITION SENSOR LVDT READINGS TO WITHIN SERVICE LIMITS. REPLACED ELECTRONIC CONTROL MODULE WITH ANOTHER UNIT REPAIRED BY THE MANUFACTURER AND LVDT'S AND SENSORS WERE ABLE TO BE ADJUSTED TO WITHIN SERVICE LIMITS. SPOILER SYSTEM WAS TESTED AND NO FAULTS INDICATED. RECOMMEND COMPONENT MANUFACTURER INVESTIGATE WHETEHR UNIT SUFFERED DAMAGE FROM SHIPPING, HANDLING, OR ENVIRONMENTAL CONDITIONS DURING STORAGE OR WHETHER REPAIR TOLERANCES ARE TOO WIDE TO ENABLE SYSTEM ADJUSTMENTS ONCE INSTALLED.