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Search: Posts Made By: Hi_Tech
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11th Apr 2019, 06:57
Replies: 5,125
Views: 10,403,272
Posted By Hi_Tech

https://cimg3.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg3.ibsrv.net/gimg/pprune.org-vbulletin/908x596/stm2_2f6b0966722cb2cf3109aebfba486a68898e0d02.jpg
I have this sent by someone. Not sure 100% if it is authentic. Looks authentic to me as...
20th Mar 2019, 05:39
Replies: 5,125
Views: 10,403,272
Posted By Hi_Tech

Not sure if any one replied. There is only one...

Not sure if any one replied. There is only one STAB motor on NG and MAX. It can be driven by thumb switches on yoke, A/P channel, MCAS, STS etc. Any movement of stab will be fed back to cockpit trim...
6th Dec 2018, 11:29
Replies: 107
Views: 45,619
Posted By Hi_Tech

Why not just fix the problem with G/S. It cannot...

Why not just fix the problem with G/S. It cannot be that difficult. Or just say G/S not available. It is another case of making holes in the system for some one to fall through one day. This time the...
1st Dec 2018, 12:53
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

I am not sure if anyone discussed the following...

I am not sure if anyone discussed the following points. Having read through the entire thread (over several weeks), I cannot recollect what has puzzled me a lot with the reporting by crew.
1. The...
Forum: Tech Log
25th Nov 2018, 05:20
Replies: 195
Views: 89,430
Posted By Hi_Tech

Gums: If you look at the dotted lines, they are...

Gums: If you look at the dotted lines, they are all different. I hope the following edited fig makes sense.
...
24th Nov 2018, 15:56
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Having read through the posts and some of the...

Having read through the posts and some of the observations, these are my (an old grease monkey) answers to the basic questions on Boeing aircraft and its maintenance procedures, that seems to have...
20th Nov 2018, 16:39
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Wonderful & well made video. A picture = 1000...

Wonderful & well made video. A picture = 1000 words, but your video = million.
20th Nov 2018, 16:04
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Thanks CaptsandL. You have filled out the blank...

Thanks CaptsandL. You have filled out the blank in our info. Very few MAX Pilots or Tech in this forum. I am sure there will more questions addressed to you by others in the near future.
20th Nov 2018, 12:09
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Following from FCOM B737 NG FCOM STS operates...

Following from FCOM
B737 NG FCOM
STS operates most frequently during takeoffs, climb and go-arounds. Conditions
for speed trim operation are listed below:
Airspeed between 100 KIAS and
Mach...
18th Nov 2018, 17:24
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Both STS and MCAS are present in B737 MAX. STS is...

Both STS and MCAS are present in B737 MAX. STS is for speed stability of the aircraft as the Center of Pressure moves as aircraft speed increases. This moves the stab for an aircraft Nose Up...
18th Nov 2018, 11:50
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Unlike earlier versions of B737, the 737 MAX has...

Unlike earlier versions of B737, the 737 MAX has an extensive and powerful troubleshooting data generated in each and are available to engineers on ground. See the link below for some of the...
18th Nov 2018, 05:50
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

In answer to the question raised in post#1363...

In answer to the question raised in post#1363 above and several other posts after this one, I had made a query to get an answer anyone trained on MAX and has access to MAX AMM (Maintenance Manual)....
Forum: Tech Log
16th Nov 2018, 12:31
Replies: 83
Views: 36,726
Posted By Hi_Tech

Just read this good article by Bjorn Ferhrm which...

Just read this good article by Bjorn Ferhrm which explains why the MAX requires this MCAS. The aircraft is more unstable than the NG with the larger engines....
16th Nov 2018, 12:07
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Sorry. I did not mean your post was fake news. I...

Sorry. I did not mean your post was fake news. I was only pointing out an anomaly with 737Fixer's post, and why I cannot gulp it. :confused:
16th Nov 2018, 11:34
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

I cannot gulp this. If the date of QRH JULY 2017...

I cannot gulp this. If the date of QRH JULY 2017 is true, why FAA had to issue AD this month and Boeing issue a special Memo to all airlines. We are living in the Fake news era. Why Fixer is not...
15th Nov 2018, 13:08
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

For all those questions about WHY this MCAS on...

For all those questions about WHY this MCAS on B737 MAX fleet, the following link has a very nice easy to follow explanation with clear graphics written by a test pilot Bjorn Fehrm.
When you apply a...
15th Nov 2018, 12:48
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

Not sure if anyone replied. This pertains to two...

Not sure if anyone replied. This pertains to two FCCs (Flight Control Computer). Only one active and is controlling the flight the other is dormant. To ensure the dormant one does not always remain...
12th Nov 2018, 09:35
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

I doubt it Sax R54 I will believe this...

I doubt it Sax R54
I will believe this statement and several similar ones posted by others that Crew are not briefed about this system, only if one B737 MAX certified pilot tells this forum that he...
Forum: Tech Log
12th Nov 2018, 05:56
Replies: 83
Views: 36,726
Posted By Hi_Tech

Has any one in this forum have access to B737 MAX...

Has any one in this forum have access to B737 MAX AMM (Pages from AMM Chap 34-20-00) and if you can post the same system info for B737 MAX redundancy management of AOA signals.

I just cannot...
8th Nov 2018, 16:14
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

The Feel computer has two channels and they...

The Feel computer has two channels and they independently regulate the two different HYD source pressures to do the job in this sytem. If there is a difference in he two channels metered HYD pressure...
8th Nov 2018, 15:48
Replies: 2,100
Views: 1,177,951
Posted By Hi_Tech

I just cannot believe that one faulty AOA sensor...

I just cannot believe that one faulty AOA sensor can make the aircraft trim nose down. There has to be more protection in the system design for this not to happen.
In the B777 which I am familiar...
12th Oct 2018, 11:41
Replies: 52
Views: 33,692
Posted By Hi_Tech

Power failure?

Any info on what was found on ground that caused this compound defect?. What was done to get the aircraft back in the air?
30th Aug 2016, 09:54
Replies: 70
Views: 88,651
Posted By Hi_Tech

Here is the example of what can happen when...

Here is the example of what can happen when intake fails. This one did not disintegrate completely like south west B737. But engine ingested enough debris to cause severe damage. Damage to intake are...
29th Aug 2016, 10:36
Replies: 70
Views: 88,651
Posted By Hi_Tech

This is a clear case of inner barrel of nose cowl...

This is a clear case of inner barrel of nose cowl (usually carbon fiber) failure. I have seen such a failure on RR engine. It occurs during takeoff thrust when the engine suction is highest. Once a...
12th Aug 2016, 04:44
Replies: 1,749
Views: 1,960,539
Posted By Hi_Tech

GA after flare

Some discussion here about why the aircraft touched down after GA action. FCTM mentions if GA is initiated at 50 ft, acft will sink 30 ft before climbing. In this instance the pilot himself has...
Showing results 1 to 25 of 61
 


 
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