Paper batch records record what happened only if the operator chose to write it down, at the time they chose to write it. Leucine MES changes this: the record is built continuously as the batch executes, data flows directly from instruments, every step is sequenced and signed in real time, and QA reviewers see only what needs their attention. Across 30+ facilities, batch review has compressed from 20 days to 1 day with 60% fewer manual data entries.
Key Highlights
Regulatory Context
Employees were instructed to create batch records, cleaning records, and equipment logs for manufacturing activities that never took place. Excel spreadsheets guided the fabrication with pre-planned dates, times, and weights. When FDA discovered the plans, all files were deleted from the Plant Manager's computer that evening.
CCTV revealed 7 to 167 aseptic filling interventions per batch going unrecorded, including types that would have triggered non-conformance investigations. Cleaning records documented mopping, disinfection, and sanitisation that CCTV confirmed never occurred. Production personnel acknowledged fabricating the times.
Labels recording visual inspection results during media fills were discarded after transcription into the batch record. The SOP required neither retention of source labels nor second-person verification of the transfer.
Multiple production systems used shared usernames and passwords with no audit trail. Failing tests and process alarms were visible on screen only — not saved electronically. A system rebuild after a power outage was not followed by revalidation.
The batch record was revised repeatedly by Production to fix missing times and signatures — without QA knowledge or approval. Correction forms were found in the Supervisor's office and discard bins. The Quality Unit lacked visibility to detect these changes.
FDA inspectors directly observed multiple interventions during aseptic filling — tube replacements, manual machine adjustments — none documented in batch records. Filling line speed and stoppage times were also not recorded.
The Problem
Batch Execution in Leucine MES
Each step loads with pre-configured parameters, materials, and verification points. Operators cannot skip, reorder, or backdate steps. Every interaction is automatically timestamped.
Leucine MES connects to balances, sensors, and production equipment. Readings flow into the batch record at the point of measurement — nothing to copy by hand, no source data to discard.
Every value is validated against specifications as it is captured. Out-of-range parameters are flagged during execution — not during review days later.
Every step is signed with individual credentials. Each signature creates a tamper-proof audit trail entry. Records cannot be altered without an auditable modification event.
QA sees a focused exception report, not 200 pages. Compliant steps are acknowledged efficiently. Reviewers focus on what needs judgement. Batch release moves from weeks to hours.
The Solution
Addressing both the compliance gaps FDA finds and the operational bottlenecks that hold inventory, delay revenue, and consume QA bandwidth.
Every step is sequenced, every parameter validated in real time, every action timestamped with individual credentials. Operators cannot proceed without completing steps correctly.
QA reviewers engage only with exceptions. Compliant steps are acknowledged efficiently. The Quality Unit maintains full oversight — with an audit trail that proves it.
Once Leucine MES captures structured batch data across your network, LeucineOS analyses it at scale — surfacing yield loss patterns, Cpk trends, and cross-site comparisons.
CDER warning letters jumped 50% in FY2025. FDA Tracker monitors 483 observations and warning letters so your team benchmarks against current enforcement before an inspection arrives.
Results
Real results from manufacturers who replaced paper batch records with Leucine MES across 30+ facilities.
Next Step
Stop losing weeks to paper batch review. Leucine MES enforces every step, captures every parameter at source, and compresses batch release from 20 days to 1.
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