What was found
VENT AVNCS SYS FAULT UPDATED MAA CODE FIX USING VENDOR MAA SCREEN CREW PERFORMED AEVC TEST FAULTING 22HQ. APPLY MEL 2126C MAC RELATED WORK ORDER 000000002377099 AND PRTR OK TO USE MEL 2126C FOR SKIN AIR OUTLET VALVE 22HQ INOP. VALVE D EACTIVATED REF AMM 21-26-00-040-002-A MAC METER INITIATED FOR WITH VENDOR ID V902127 ACCOMPLISHED AEVC TEST, TEST IS FAULTING VALVE 22HQ. OK TO USE MEL 2126C FOR SKIN AIR OUTLET VALVE 22HQ INOP. VALVE DEACTIVATED REF AMM 21-26-00-040-002-A DEFERRED DIRECTLY BY TOMC REPLACED 22HQ PER AMM 21-26-53-400-A. TESTS GOOD. A ROTABLE PARTS CHANGE WAS INDICATED - TT # 1057667 SN OFF 2765 VALVE, SKIN AIR OFF 31-2125-9-0001 2765 ON 31-2125-9-0001 2838