United 328's fan blade cracked at an internal radius — the 2016 inspection missed it
Fatigue crack in a PW4077 fan blade separated at 12,500 ft; a missed 2016 inspection reading and intervals too long were cited — 239 aboard landed safely.
事例を読むmistake.clubCASESTUDIES.CHAT のアーカイブ
失敗から学ぶ。
できれば、他人の失敗から。
事業の失敗、大きな代償を払った意思決定、そこから得られる教訓。
全アーカイブはアプリで記事は英語と簡体字中国語で提供しています。以下のタイトルと本文は公開時の言語のままです。
公開済みの事例
2,000 公開済みの事例 · 随時更新Estée Lauder paid $1.45B for Too Faced, then wrote off $641M of it
Estée Lauder paid $1.45B for Too Faced in 2016; three years later, cooling prestige makeup forced a $641M write-down — nearly half the price gone.
事例を読むElectrolux's $3.3B GE Appliances takeover died at the DOJ — exit fee: $175M
Electrolux agreed in 2014 to buy GE's appliance unit, its largest deal ever, bet on a divestiture package the DOJ refused, and paid $175 million to walk away.
事例を読むLoblaw rushed its PC Optimum loyalty merger — and it broke on day one
Loblaw merged PC Plus and Shoppers Optimum into PC Optimum in February 2018. The rollout broke at once — apps crashed, points vanished, and customers revolted.
事例を読むLightspeed replaced its founder after a short-seller crash, then undid it 26 months later
The Canadian payments firm handed the CEO role to a hired executive after a short-seller crash, then brought the founder back as interim 26 months later.
事例を読むQuirky raised $170M to invent products by committee — then burned through all of it
The crowdsourced-invention startup turned community ideas into dozens of money-losing products; by September 2015 it was in Chapter 11, Wink sold for $15M.
事例を読むPons and Fleischmann announced cold fusion — the world could not replicate it
Two chemists claimed tabletop fusion at a press conference. The world's top labs raced to replicate it — and found nothing.
事例を読むSesame Street English: 280 China franchises sold on a borrowed brand and 237% ROI charts
China's 'Sesame Street English' licensed a TV brand through a Japanese middleman, then sold franchises on invented returns until illegal textbooks caught up.
事例を読むGameloft lost half its workforce after Vivendi's hostile takeover
Vivendi bought Gameloft in a hostile 2016 takeover. Within three years, the mobile gaming pioneer had closed 10 studios and halved its 5,000-person workforce.
事例を読むSlimpay left a fraud-research server open for years; CNIL fined it EUR180K
A 2015 anti-fraud test copied real SEPA debtor data, then nobody retired the server. About 12M people were exposed.
事例を読むNordLB's shipping loans cost German taxpayers €3.6B
NordLB, a German Landesbank, owned the world's largest shipping loan book. When shipping collapsed, it lost €2B in a year and needed a €3.6B bailout.
事例を読むKent RO refused to modify its 'purest water' tagline after ASCI — and got a court stay
ASCI told Kent RO to modify its 16-year-old 'purest water' tagline; Kent sued, and the Delhi High Court stayed the order.
事例を読むFacebook's self-healing config checker turned one bad value into a 2.5-hour blackout
An automated config verifier flagged its own bad value, every client raced to 'fix' it, and Facebook had to switch itself off to stop the feedback loop.
事例を読むPhiladelphia Newspapers: a $562M LBO, Chapter 11, and a landmark credit-bid fight
Local investors bought Philadelphia's two big papers with borrowed money — then litigated for a year to stop their lenders taking over.
事例を読むMcDonald's served coffee at 190°F — 700 burns later, a $640K verdict
Stella Liebeck suffered third-degree burns from McDonald's 190°F coffee. The verdict became a frivolous-litigation symbol — but McDonald's had 700+ prior burns.
事例を読むFender sent cease-and-desist letters to guitar builders — top YouTubers cut ties
Fender's legal campaign against Stratocaster-style guitars triggered a boycott from the guitar YouTubers who drove its sales.
事例を読むTouradji Capital fought its traders over profit shares for a decade — and lost $46M
Paul Touradji never paid the profit share he promised two star traders, fought them for ten years, and a New York jury made him pay $46 million plus interest.
事例を読むFacebook launched a smart display with a camera in 2018 — killed it four years later
Facebook's Portal was a smart display with an always-on camera for video calls. Privacy fears, weak sales and Meta's pivot to enterprise killed it in 2022.
事例を読む3M's Post-it Notes were a failed glue that became a global office staple
In 1968, 3M scientist Spencer Silver invented a weak adhesive with no use. Six years later, a colleague used it for a bookmark. Post-it Notes were born.
事例を読むToyota set minimum Lexus resale prices in Jiangsu — China fined it ¥87.6M
Toyota Motor (China) dictated minimum resale prices for Lexus dealers in Jiangsu for four years — regulators fined it ¥87.6M, about 2% of its 2016 China sales.
事例を読む