On September 17, 2019, when Wang Lei, a technologist, inspected the records in the weighing area of the cytarabine production line, he found that Zheng Shuru, the operator, first weighed the 1036-a190808 batches of crude cytarabine with awh-1507w electronic scale at 12:50 on September 15, 2019, and there was no record of correction before use in the daily calibration record of the electronic scale.<br>The reason for this deviation is that Zheng Shuru, the operator, and Hu Guorong, the reviewer, failed to conduct the first calibration of the electronic scale before production as required, which led to this deviation.<br>1. Awh-1507w electronic scale has been calibrated and cleaned normally on September 14, 2019, and no adjustment has been made until this deviation occurs. Before weighing and using on September 15, 2019, confirm whether there is any object interference, whether it is clean and dry, whether the horizontal bubble is centered or placed stably, whether it is cleared, etc., all of which meet the requirements. 2. The weight of batch 1036-a190808 of cytarabine was 27.10kg. On September 17, 2019, awh-1507w electronic scale was re calibrated in accordance with the daily calibration, use and maintenance procedures of electronic scale, and the batch of crude arabinoside 1036-a190808 was re weighed, and the same specification of packaging material was used to weigh and peel, and the actual net weight of 1036-a190808 batch of crude products was obtained within the allowable range of error. Therefore, the weight of batch 1036-a190808 of cytarabine was the same as that recorded before correction. 3. Therefore, the uncorrected electronic scale does not affect the net weight of this batch of crude products, product quality and yield. 4. The batch of arabinoside 1036-a190808 has been reweighed as required on September 17, 2019, and the weight is the same as the previous batch, so it has no impact on the subsequent production, and the next production can be carried out after the intermediate is qualified.<br>1. Train relevant personnel on h0-tm-23101 daily calibration, use and maintenance procedure of electronic scale, emphasize the electronic scale and electronic balance, conduct daily calibration before daily use, and the reviewer shall confirm all operations and records of the operator.<br>
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