What was found
OVERHEAD PANEL; OUTFLOW VALVE POSITION INDICATOR INOPERATIVE, INDICATES FULL OPEN AT ALL TIMES. PRESSURIZATION NORMAL IN FLIGHT. (<P>TRANSFERRED TO MDDR #119464 IAW 21-33-04, CAT 'C', DUE DATE: 31-OCT-19. PLACED P/N 130502-7 ON ORDER W/ MCC.</P><P>LP 1048322 - M4: PERFORMED OPS CHECK OF THE OUTFLOW VALVE ALL MANUAL MODE. OUTFLOW VALVE OPERATES CORRECTLY BUT NO INDICATIONS IAW AMM 21-31-03. THEN, CHECKED CONTINUITY BETWEEN CABIN PRESS CONTROL UNIT AND CABIN SELECTOR PANEL PINS 1 & 8, 2 & 20, 8 & 30, NO FAULTS. </P><P>LP 1048322 - M6: PER WDM 21-31-11 SH1 & SH2, CLEANED VALVE POSITION SWITCHES. OBSERVED SLIGHT DEFLECTIONS, ALL IN THE CABIN PRESSURE CONTROL UNIT. MDDR 119464 REMAINS OPEN AT THIS TIME.</P><P>LP 1091202 - M4: REMOVED AND REPLACED CABIN PRESSURE SELECT PANEL IAW AMM 21-31-01, OPS CHECK GOOD. THIS CLEARS DMI 119464. MCC NOTIFIED AND PLACARD REMOVED. </P>)