B737 MMEL

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1 year 1 week ago #1005 by dynamics
Replied by dynamics on topic B737 MMEL
With regard to FAA AD 2022-24-09 paragraph h, it is necessary to include specific operation procedure for flying at or below 10000 feet with inoperative altitude pressure warning switch, however I can not found specific operation requirement (O) for inoperative cabin altitude warning system for 737-300 model as per MMEL?!

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1 year 1 week ago #1006 by Mark
Replied by Mark on topic B737 MMEL
Here's the AD.....
  
  
 

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As far as operational procedures, I would guess were dealing with flying the aircraft below 10K which would involve airspeed restrictions.

I don't see why any airline would fly an aircraft for regular service below 10K. It's not cost effective and flight times would be increased dramatically. It would be better to ground it and fix the issue first.

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1 year 1 week ago - 1 year 1 week ago #1026 by dynamics
I emailed the service bulletin regarding automation of heating system of air data probe and the MMEL(ch79/04-01)
Last edit: 1 year 1 week ago by dynamics.

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1 year 1 week ago #1028 by Mark
Replied by Mark on topic B737 MMEL
Do your Pitot/Static control panels have a Off/Auto/On switch?
  
  
 
  
 

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1 year 1 week ago #1029 by Mark
Replied by Mark on topic B737 MMEL
I see it now.....
  
  
 

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1 year 6 days ago - 1 year 6 days ago #1030 by dynamics
Replied by dynamics on topic B737 MMEL
From 737-30A1064 and MMEL I sent yesterday and concurrent bulletins which I sent just a moment ago, have you discerned how engine oil low pressure switch is wired to the power supply circuit of the pitot heater?
Last edit: 1 year 6 days ago by dynamics.

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1 year 6 days ago #1031 by Mark
Replied by Mark on topic B737 MMEL
Send me a wiring or schematic print.

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1 year 6 days ago - 1 year 6 days ago #1032 by dynamics
Replied by dynamics on topic B737 MMEL
WDM blue prints were sent
Last edit: 1 year 6 days ago by dynamics.

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1 year 6 days ago #1033 by Mark
Replied by Mark on topic B737 MMEL
Neither of those prints show a tie-in between Oil 79 and Pitot Heat 30.
They are pre-mod prints.
Did you look to see if your aircraft have the panel with "Auto" on them?
If one does, then you need to send me the prints for that effectivity aircraft.

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1 year 6 days ago #1034 by dynamics
Replied by dynamics on topic B737 MMEL
I sent again two other bulletins that has to be accomplished concurrently, so regardless of the fact that wether the WDM have been revised or not, can you discern how oil pressure switch and the automatic heating would be tied after complying with FAA AD 2019-09-01?

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