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-   -   hot wheels vs brake fire (https://www.pprune.org/tech-log/538734-hot-wheels-vs-brake-fire.html)

gulfairs 4th May 2014 20:54

hot wheels
 
That was the norm for Air NZ.

kuobin 13th May 2014 14:13

But how you decided that 2 hours of cooling was enough?was that number from manual?If yes,then nobody should doubted you.:rolleyes:

gulfairs 15th May 2014 20:49

reef runwak PHNL
 
When I operated out of Honolulu, if we had to taxi back to the terminal it was an automatic complete set of wheels change or wait 2 and a bit hours with nitrogen cooling.
The Tyre bead is the weak link in all aircraft tyres particularly WHEN EACH WHEEL IS HOLD UP 24 TONNES

stilton 20th May 2014 09:12

'None the less, crappy to hear of a company taking action against an airman for making a safe decision. Unheard of today! '



If that's the case at your outfit, good for you but you don't have to go very far down the aviation food chain where that's very common.


Being 'too safe' is a subjective judgement in many cases and if you're perceived as an economic liability ( in the absence of effective union representation) you'll be gone.

No Fly Zone 20th May 2014 10:45

*Not* an expert, but... if the FE says the second attempt is still OK, make the run and TO, keep the gear, speed and climb rate down for a few minutes and cool the trucks before tucking them - IF seriously pushed for a TO time. The flip side is your much safer side, to delay for on-ground cooling and make a +/- normal run for the second attempt. Odds of a second TO Failure were small, but what if? Would you have had enough brake left to stop that 742? ghad that happened, we know that you would have used max reverse, numbers that never count, and kept it on until you were ready to back up, but would it have been enough? There is a finite limit to braking force, even with four feet on the pedals and/or max (RTO) effort.
If the facts are whole and correct, most would agree that you got screwed. In 1985 - or in 2014, a two hour delay for safety just happens. There must have been something else in the package. In any case, I'm glad to know the the later outcome worked OK for you. I sense a major miss-match between you and that old employer. Not interested in in the details, but I guess bugging outo was a very good choice.


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