Historical clue formulations

• Design problem — 2026-09-24
• Weakness — 2025-06-01
• Shortcoming — 2024-10-06
• Nick, say — 2024-06-13
• Gemologist's consideration — 2023-08-20
• Having a thermal exhaust port lead straight to the reactor of your Death Star, e.g. — 2022-11-21
• Persian ___ (rugmaker's deliberate mistake) — 2022-09-11
• Imperfection — 2022-03-26
• Scratch or nick — 2022-02-17
• Shortcoming — 2020-12-17
• Achilles' heel, e.g. — 2020-09-11
• Chip, e.g. — 2017-08-26
• Imperfection — 2016-09-19
• Diamond defect — 2015-05-20
• Chip, maybe — 2014-08-07
• Hubris, for Icarus — 2014-05-07
• Scratch, say — 2014-03-16
• Scratch in a diamond, e.g. — 2013-03-05
• Imperfection — 2013-01-07
• Logic problem — 2012-09-21
• Chip in a dish, e.g. — 2012-04-06
• It can make a 10 a 9 — 2011-08-14
• Defect — 2010-04-26
• Chink in the armor, say — 2009-01-08
• Scratch on a diamond, e.g. — 2008-03-31
• Scratch on a gem, e.g. — 2007-05-28
• It might be only a scratch — 2006-01-29
• Bug, to so speak — 2004-11-28
• Nick or chip — 2003-12-03
• Defect — 2003-08-18
• Gem devaluer — 2003-03-30
• Blemish — 2002-04-17
• Scratch — 2000-09-27
• Imperfection — 1999-02-22
• It may be fatal — 1998-02-25
• Imperfection — 1997-10-06
• Error — 1996-12-19
• Imperfection — 1995-11-10
• Defect — 1995-03-07