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Case Study: A 500-Piece Production Run That Failed — Here's What Actually Happened

This isn't a fictional story designed to alarm you.


This is a reconstruction of the type of case that appears repeatedly in the garment industry — with identifying details changed but the pattern intact. If you've been in this business long enough, you've probably experienced one version of it yourself. Or heard it from someone else.


The goal of this article isn't to point fingers at who was wrong. It's to look clearly at how a production run that appears to be going normally can end in significant loss — and at exactly which points a different decision could have changed the outcome.


Background: An Order That Looked Safe

A mid-sized garment manufacturer in Bandung received an order from a local clothing brand that had been a regular client for two years.

  • Order: 500 adult t-shirts, combed 30s, mixed sizes S–XL, three colors (black, white, navy), 3-color screen print with fairly detailed artwork.

  • Timeline: 3 weeks from order confirmation to goods ready to ship.


This wasn't their first order together. The two previous orders had gone smoothly. The manufacturer was confident — and that confidence led them to skip several steps they'd normally follow.


Decision One: Switching Fabric Suppliers Without Verification

Their regular fabric supplier didn't have enough combed 30s stock to cover all three colors at once.


Rather than waiting, or splitting the order between two already-verified suppliers, they chose a third option: a new supplier recommended by an acquaintance, with a slightly lower price and a claim of complete stock availability.


No sample was requested. No lot verification was done. Fabric was ordered in full quantity — approximately 90 kg for 500 pieces with allowance.


The fabric arrived in two days. Visually, nothing looked off. Black, white, navy — all present. The delivery note listed combed 30s. The warehouse team stacked the fabric, and production was scheduled to begin the following morning.


What wasn't checked:

  • Actual fabric GSM

  • Lot consistency across rolls

  • Actual fabric width


Decision Two: Skip QC, Go Straight to Cutting

With a tight timeline and confidence that "combed 30s is combed 30s," the cutting team started work the next morning.


It wasn't until day three of production that one of the sewing operators spoke up: "This fabric feels different from the other rolls — this one seems thinner."


The team checked. They were right — several rolls felt different from the others. They took samples from three different rolls and weighed them. The results:

  • Roll lot A: estimated 178 GSM — consistent with expected combed 30s medium weight

  • Roll lot B: estimated 151 GSM — thinner than it should be

  • Roll lot C: estimated 162 GSM — somewhere in between


Three different lots in one delivery. And some of it had already been cut.

Status when the problem was discovered: approximately 180 pieces already cut from a mix of all three lots.


The Compounding Damage

From that one discovery, problems started spreading in every direction:

Problem 1: Cut pieces from different lots can't be mixed Fabric at 151 GSM and 178 GSM — even if both labelled combed 30s and visually identical in color — will feel different in the customer's hands, and will likely look different after washing. Mixing both in one production batch means an inconsistent finished product.


Problem 2: Usable stock isn't enough to complete the order After separating by lot, the quantity from each lot wasn't enough to fulfil the full order. Lot A had the most fabric — but only enough for approximately 280 pieces. Lots B and C couldn't be used reliably for product going to paying customers.


Problem 3: The new supplier was unresponsive When the manufacturer contacted the new supplier to report the problem and request replacement fabric, the response was slow. No confirmation on whether they could replace the fabric from the same lot. No concrete solution offered within the first 24 hours.


Problem 4: Timeline under threat Day 3 of a 21-day schedule, and they were already facing decisions where every option was bad:

  • Continue production with the available fabric, knowing the result would be inconsistent

  • Stop and wait for replacement fabric, with no certainty on timeline

  • Communicate to the brand client about a possible delay


Decision Three: Late Communication to the Client

The manufacturer decided to try to resolve the problem internally before telling the client — hoping to find a solution without having to explain what had happened.


Three days passed. The new supplier finally confirmed: they didn't have stock from the same lot. What they could offer was fabric from a new lot — which meant another round of risk on color and GSM consistency.


On day 6, the manufacturer finally contacted the client and explained the situation.

The client was unhappy — not just because of the problem itself, but because they were only told after six days. The trust built over two years began to crack.


What Eventually Happened

After several days of exhausting negotiation and problem-solving, this was the resolution:

  • 280 pieces were produced from lot A (correct GSM) and shipped on time — part of the order fulfilled

  • The remaining 220 pieces were rescheduled with a +10 day timeline using fabric from the original supplier, whose stock had come back in

  • The cost of replacement fabric shipping and re-production was absorbed by the manufacturer

  • The client accepted the resolution but decided to diversify their manufacturing suppliers going forward — no longer exclusively working with one manufacturer


Quantifiable losses:

  • 180 pieces' worth of fabric already cut from lots B and C: unusable for this order, sold as remnants at a fraction of their purchase value

  • Re-production cost for 220 pieces: sewing, finishing, QC

  • Additional shipping costs

  • Management time spent handling the crisis for nearly two weeks


Losses that can't be quantified:

  • Exclusive position as the client's primary garment manufacturer

  • The trust that takes far longer to rebuild than it took to damage


Where Decisions Could Have Gone Differently

Not to assign blame — but to clearly see the critical decision points that appear in almost every similar case:


Point 1: Verify a new supplier before a large order A supplier who's never been used before should be verified first — at minimum, request a sample, check lot consistency, and ask for references. A 90 kg first order without any verification is unnecessary risk.


Point 2: QC fabric before cutting If the cutting team had checked GSM and lot on the first day the fabric arrived, the problem would have been discovered before anything was cut. The damage would be limited to the decision not to use that fabric — not to 180 pieces already cut and unusable.


Point 3: Communicate to the client earlier A client informed of a problem on day 2 with clear solution options responds differently from a client told on day 6 when the situation has already escalated. Earlier transparency almost always produces a more constructive reaction.


Point 4: Have more than one verified supplier Depending on a single supplier for a large order is operational risk. Manufacturers who maintain two or three verified suppliers for the same fabric type have better options when one runs out of stock.


What Can Be Taken From This

Cases like this don't happen because of one obviously wrong decision. They happen because of several small decisions that each felt reasonable in the moment:

  • "This supplier was recommended by someone I know, should be fine"

  • "Timeline is tight, QC can be skipped this once"

  • "Let's try to resolve it internally before telling the client"


All three felt rational. All three contributed to a loss far larger than necessary.

A good production system isn't one that never encounters problems — that's not realistic. A good system is one that detects problems as early as possible, minimizes their impact, and has a clear protocol for resolution.


QC before cutting, supplier verification before large orders, and early communication when problems arise: three habits whose cost is small compared to one case like this.



Questions about how IJT maintains lot consistency and fabric quality before it reaches you? Ask us directly — we're open to explaining our process.


Contact our 24hr CS at WA 0812 9090 2360 or contact our store admin at office hours (Monday–Friday 09.00–17.00 and Saturday 09.00–17.00, Sunday off) at WA 0812 1234 2360


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