There is an old adage: When a pilot makes a mistake, the pilot dies. When maintenance makes a mistake, the pilot dies. All too often, so does everyone with him or her and the maintainer as well, except he is going to take longer to die. Read: “The Price of a Mistake” video storyline on our website
www.system-safety.com — Safety Videos to understand what I mean. I have one more “war story” in which my working partner
was about one foot from death. Luck was all that saved him (or perhaps it was divine intervention). We had seven old DC8s that were getting “long in the tooth.” With about 50,000 hours each of hard flying, they had a tendency to leak fuel. Our crew had the job of stopping the leaks. The problem with integral fuel tanks is it would drip fuel out at one place, but the leak could start many feet away in the tank sealant. The fuel would be cross fed to another tank and circuit breakers pulled and tagged. A venturi device was attached to one of the tank panel openings and a low pressure was created in the tank. Red penetrant dye was sprayed where the leak dripped out and on entering the tank you would find where the leak started from the red dye that had been sucked in. A strong magnet was held on the outside where the leak exited, and a small handheld magnet found that location inside the tank. The job now was to replace the sealant between those two points. All panels were opened up and air was pumped into the tank. As I was the smallest of the crew, I was “volunteered” to go into the tank to do the job while a crewmate stayed by the nearest panel opening to hand down tools and keep watch. These were the good ol’ days, so you went in in wearing special no pocket coveralls only because there were little pools of fuel everywhere and you were going to get soaked in JP4 before you crawled out. I remember thinking that they should have a Safety rope around my ankle in case I got stuck. As I was working, I suddenly heard a loud “J____s C___t,” and a lot of commotion outside the tank. I got myself turned around and popped my head out of the hole. There was my work mate as pale as a ghost and right beside him was a ground spoiler sticking straight up. He had been on that panel moments earlier getting a can of sealant for me from the tool tray with the counted tools we needed. The tool tray was gone. When the panel came up it threw that tool tray over the wing and onto a support pillar about 20 feet in front of the wing. Tools, sealant and the tray came raining down on a portable table with the task card stand on it. Again, moments earlier there had been a couple of crew there signing off completed cards and picking up new task cards. No one was hurt but the potential for a fatality was very high. It seems that they were working on the spoiler’s mate on the left wing and that crew member was looking out the captain’s window never thinking to check the right wing before pulling the spoiler lever. We never thought to
keeping you in the air ...
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