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Davvidd Aug 12, 2023 10:37 am

B 737 Max
 
The never ending troubles of the Max is still going on. Now with the engine de-icing system.

TWA884 Aug 12, 2023 7:53 pm


Originally Posted by Davvidd (Post 35491668)
The never ending troubles of the Max is still going on. Now with the engine de-icing system.

Clickbait.

FAA warns of safety hazard from overheating engine housing on Boeing Max jets during anti-icing

U.S. regulators are warning airlines to limit the use of an anti-icing system on Boeing 737 Max jets in dry air to avoid overheating engine-housing parts, which could cause them to break away from the plane.
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The FAA said if the engine inlet gets too hot, parts of the housing could come off and strike a window, causing decompression and a hazard to passengers in window seats.
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The FAA said there have been no reports of the overheating problem occurring on Max flights. It said the potential for damage was discovered during flight testing and analysis in June.
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The FAA is dictating that flight manuals tell pilots and airlines not to use engine anti-ice in dry air for more than five minutes.


Davvidd Aug 13, 2023 7:00 am

It is fairly serious when Operators have to change the MEL to prohibit aircraft dispatch under certain conditions currently allowed.

LarryJ Aug 13, 2023 10:03 am

Engine anti-ice is not used in dry air so the new five minute limit should not affect operations. That's likely also why they've never had any problems with it in line operations.

Maxwell Smart Aug 15, 2023 7:29 am


Originally Posted by Davvidd (Post 35493499)
It is fairly serious when Operators have to change the MEL to prohibit aircraft dispatch under certain conditions currently allowed.

Where does it say anything about changing the MEL?

Maxwell Smart Aug 15, 2023 7:37 am


Originally Posted by LarryJ (Post 35493933)
Engine anti-ice is not used in dry air so the new five minute limit should not affect operations. That's likely also why they've never had any problems with it in line operations.

Thanks for the succinct, professional, and understandable explanation.

To me, it's basically saying that if you operate a system incorrectly, bad things COULD happen, but they haven't happened because most likely pilots have NOT operated the system incorrectly.

And yet I'm sure some will come out screaming about the airplane being unsafe, Boeing is evil, etc. etc.

Davvidd Aug 15, 2023 10:13 am


Originally Posted by Maxwell Smart (Post 35499134)
Where does it say anything about changing the MEL?

FAA directive 88 FR 54223.


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