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The issue was that, the FCAI hasn't go up beyond ~8slm although FCAQ is set to 24slm.
Then, on 03/14/2023 around 4:20pm CST, we closed the NV501A needle valve as Adam suggested, to improve the Liquefaction on LQ-A. It was between 1/4 and 1/2 a turn opened position before it was completely closed.
     Initial position                                                                                 Completely closed position
NV501_03-14-2023_Before_02.jpgImage Added                        NV501_03-14-2023_After_02.jpg



On 03/15/2023 around 2:20 pm
We opened the NV501A needle valve by two full turns from the current setting(fully closed position) as Joey (QT) recommended.

On 03/16/2023
1.  In addition to the 2 turns (open) on 03/15/2023, NV501A was opened with one more full turn.
2. We adjusted the PRV501A, in order to obtain a smooth inlet flow.
       (Initial Position)                                                                                                                                                                                                                                 (Final Position)
    IMG_2790_Before_At_16_18.jpgIMG_2791_Position2_At_16_21.jpgIMG_2792_Position3_At_16_30.jpgIMG_2794_Position4_At_16_31.jpgIMG_2799_Position5_At_17_10.jpgIMG_2806_After_At_17_36.jpg

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