🐿️
23

That 14-hour shift where a loose nut saved my sanity

That 14-hour shift where a loose nut saved my sanity. Back in March, we had a CRJ come in with a packs trip light, and the troubleshooting guide had us chasing a pressure sensor for half the day. Turns out the real issue was a loose B-nut on the outflow valve line, two feet away from where the book pointed. I had already re-terminated three connectors and swapped a relay before an old-timer told me to wiggle the tubing first. The whole fix took 20 minutes after that, but the day stood out because everyone kept it calm despite the clock. Got me thinking how often we trust the manual over our own ears and hands. Any of you ever had a write-up that the book sent the wrong direction until a veteran spoke up?
1 comments

Log in to join the discussion

Log In
1 Comment
ramirez.daniel
Man, that wiggling the tubing first thing hit me hard. We had a 737 with a bleed valve cycling open and closed, and the manual had us swapping transducers and controllers all night. This old guy walks over, doesn't say a word, just taps the line with a wrench and the valve chatters. It was a loose clamshell clamp two feet up the duct, nothing in the book would've caught that. I still think about that sometimes when I'm deep in a schematic, it's like the airplane talks if you just listen to the rattles first. The fact that your whole day boiled down to one 20 minute fix after all that, that's the part that gets me.
5