What was found
AT FL250 F/A CALLED ABOUT STRONG SMELL IN CABIN FROM ROW 8 TO THE BACK. NO UNUSUAL INDICATIONS OF ENGINES<[01] REF AMM 29-09-04 REMOVED AND REPLACED CROSS FITTING ASSY.<BR>NEEDS OPS CHECK;[02] REF AMM 29-09-01 REMOVED AND REPLACED SECONDARY CHECK VALVE ON R/H AIR PRESSURE FILTER ASSY. NO LEAKS NOTED AT CHECK VALVE OR CROSS VENT FITTING. SYSTEM OP?S NORMAL. NO ABNORMAL SMELLS NOTED DURING OPERATION. REF TTG8Q00KCJYY AND TTG8Q00KCK23 FOR WORK PREFORMED.