That "big fantasy novel" line got me because I did the same thing with a cult classic that everyone swore was genius. I even bought the fancy edition with the map printed on the inside cover, ended up using it as a doorstop after chapter three.

Respectfully, that's still just a number on a map. You probably had those limits beat way before you bothered to count.

Same here... I used to skip bonding checks until a simple one bit me too.

Funny how that works - people get so caught up in what's NEW that they forget SOLID still means solid. It's like how everybody rushes to buy the latest cell phone every year, but my buddy's still rocking an iPhone 8 and it does everything he needs. Sometimes the old stuff just WORKS if you know what you're doing.

Did that LRU have the same connector shell or something? A buddy of mine at United once swapped a VOR receiver for a glideslope receiver on a 757 because he was half asleep and the rack labels were smudged. Both units had the exact same part number prefix, but the first one had a different pin for the antenna. The plane flew for like three days and the pilots never noticed because they never tuned a VOR on that aircraft lol. He only found out during a lookback on his paperwork and had to call the chief pilot to beg them to check the logs.