What was found
CAPT INBD DU FAILED INFLT AT FL380 UNABLE TO RECOVER. CA OUTBD FLICKER BETWEEN COMPRESSED AND NORMAL DSPYS AT 15 MIN INTERVALS W/ SMELL OF O/HEAT SCORCHING SMELL. IN DU RETURNED TO NORMAL DURING DESCENT THRU FL270 C/W TASK05-51-95-200-801C1 (SMOKE/ODOR IN CP-CONDITIONAL INSPECTION) FOUND CAPTS INBD DU HAD EVIDENCE OF BURN SMELL. REPLACED CAPTS INBD DU REF AMM 31-62-11 TEST NORMAL. LAND VERIFY PASSED AMM 22-11-00. A/C CAT STATUS IS FULLY CAPABLE 1'' (FULL AUTOLAND) ROTABLE PARTS CHANGE WAS INDICATED - TT # 1497700 SN OFF 02650 UNIT, DISPLAY, OFF 29-3162-9-0004 2650 ON 29-3162-9-0004 2872.