What was found
CREW REPORTED VIA SATCOM DUAL OUTFLOW VALVE FAILURE.(<P>FOUND CABIN PRESS CONT RH ICU C/B PULLED AND COLLARED ON P6 PANEL (CABIN PRESS ONTR LH ICU C/B CLOSED). LH ICU C/B SHOULD HAVE BEEN PULLED AND COLLARED IAW THE LH OUTFLOW VALVE DMI 208466 ON 10MAY24 AT NKG STATION. RESTORED RH ICU C/B AND TESTED RH OUTFLOW VALVE OPERATION, OPERATIONAL CHECK NORMAL IAW AMM 21-31-00/501. DMI 208466 CURRENTLY OPEN. C/W W/O 130306, R/R RELAY 351 PER AMM 21-31-01A , OPS CHK GOOD.