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Originally posted by Zaphod58
Most airlines have very good corrosion control procedures to prevent things like this from happening. But if it starts deep in the airframe then you can't find it without doing a deep check and removing skin.
Originally posted by Zaphod58
There are different levels of corrosion checks. There's a general check that looks things over, and then there's a more detailed check that takes skin off and looks at ribs and framing. And the corrosion could have been on the panel that came off as well. We used to do corrosion checks on the skin, and not find anything, then find horrible corrosion on the ribs, and deeper in the airframe. We had two aircraft that were grounded because the corrosion was too expensive to fix, but if you did a general corrosion check you wouldn't have found anything.
"Our PRELIMINARY checks on this indicate there was no corrosion anywhere near where this hole occurred in the aircraft," he told ABC news in Australia.
"We really can't speculate on how this happened or causes, but certainly there's going to be a very thorough investigation."
"The most recent maintenance check on this aircraft were for a 'D' [most thorough] check in Qantas's Sydney facility in 2004 and two 'C' [regular] checks in Qantas's facility in 2006 and 2008," she said.
In an online planespotters' forum in February, participants referred to the detection of "serious corrosion issues" in the 17-year-old Boeing 747-438 Longreach during a maintenance check at Avalon airport in March.
Originally posted by Zaphod58
From the report (emphasis mine):
"Our PRELIMINARY checks on this indicate there was no corrosion anywhere near where this hole occurred in the aircraft," he told ABC news in Australia.
"We really can't speculate on how this happened or causes, but certainly there's going to be a very thorough investigation."
"The most recent maintenance check on this aircraft were for a 'D' [most thorough] check in Qantas's Sydney facility in 2004 and two 'C' [regular] checks in Qantas's facility in 2006 and 2008," she said.
In an online planespotters' forum in February, participants referred to the detection of "serious corrosion issues" in the 17-year-old Boeing 747-438 Longreach during a maintenance check at Avalon airport in March.
news.bbc.co.uk...
The PRELIMINARY checks after landing showed no corrosion. To do a true check you have to slap it into a hangar and peel the skin back. That takes MONTHS to do. When we had a bird go in for PDM it wasn't uncommon to have them gone 4-6 months.
The comments were also made by the Chief Executive of Qantas. Of course he's going to put a positive spin on things and try to put them in the best light possible.
[edit on 7/26/2008 by Zaphod58]
Originally posted by Zaphod58
Your link doesn't work. It cut off the link so it goes to a 404 page.
Originally posted by Zaphod58
From the report (emphasis mine):
"Our PRELIMINARY checks on this indicate there was no corrosion anywhere near where this hole occurred in the aircraft," he told ABC news in Australia.
"We really can't speculate on how this happened or causes, but certainly there's going to be a very thorough investigation."
"The most recent maintenance check on this aircraft were for a 'D' [most thorough] check in Qantas's Sydney facility in 2004 and two 'C' [regular] checks in Qantas's facility in 2006 and 2008," she said.
In an online planespotters' forum in February, participants referred to the detection of "serious corrosion issues" in the 17-year-old Boeing 747-438 Longreach during a maintenance check at Avalon airport in March.
news.bbc.co.uk...
The PRELIMINARY checks after landing showed no corrosion. To do a true check you have to slap it into a hangar and peel the skin back. That takes MONTHS to do. When we had a bird go in for PDM it wasn't uncommon to have them gone 4-6 months.
The comments were also made by the Chief Executive of Qantas. Of course he's going to put a positive spin on things and try to put them in the best light possible.
[edit on 7/26/2008 by Zaphod58]