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Search: Posts Made By: aeromech3
Showing results 1 to 35 of 193
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Forum: Rumours & News
21st Apr 2024, 11:57
Replies: 50
Views: 19,570
Posted By aeromech3

My recall: I have executed the crushed nut shell...

My recall: I have executed the crushed nut shell wash on aviation dart engines (centrifugal compressor) using a hopper and chute directed into the top of the intake whilst the engine at idle; this...
Forum: Accidents and Close Calls
8th Apr 2024, 18:40
Replies: 26
Views: 9,411
Posted By aeromech3

Yes could be the older Schopf F396 with a GPU...

Yes could be the older Schopf F396 with a GPU next to the smaller cab.
I can't believe any Heathrow tug crew would attempt a push without vision of the tow bar, though that would likely be the...
Forum: Accidents and Close Calls
7th Apr 2024, 08:16
Replies: 26
Views: 9,411
Posted By aeromech3

The orientation of tug, tow bar and nose wheel...

The orientation of tug, tow bar and nose wheel completely wrong, tug drivers are not likely to make that mistake; my experience a shear pin or lock out pin failure when hydraulics applied; long gone...
Forum: Accidents and Close Calls
25th Mar 2024, 18:15
Replies: 17
Views: 3,833
Posted By aeromech3

I seemed to remember new checks were introduced...

I seemed to remember new checks were introduced long time back which might have involved spinning up wheel transducers (the original Maxaret worked on the wheel it was fitted to, so no cross over...
Forum: Australia, New Zealand & the Pacific
20th Mar 2024, 12:57
Replies: 227
Views: 101,685
Posted By aeromech3

Whilst we are going along the education route:...

Whilst we are going along the education route: mechanical seats have levers, bowden cables and pins into holes, all subject to wear and failure; electric motored seats, as far as I recall, all had a...
Forum: Australia, New Zealand & the Pacific
16th Mar 2024, 04:11
Replies: 227
Views: 101,685
Posted By aeromech3

Does my memory serve me:- that on the B747 crew...

Does my memory serve me:- that on the B747 crew seats there was a black button switch which needed pressing to pass power to the multi directional switch (up, down, fore and aft) for seat adjustment,...
Forum: Accidents and Close Calls
14th Mar 2024, 06:42
Replies: 13
Views: 2,728
Posted By aeromech3

Looks very much a runway repair area after a...

Looks very much a runway repair area after a 450lb type bomb damage (or precision penetration one), perhaps that is why it was being kept quiet with no Notam?
But I have no military experience other...
Forum: Accidents and Close Calls
14th Mar 2024, 06:14
Replies: 57
Views: 18,262
Posted By aeromech3

Ref to the axle end in the picture, the number of...

Ref to the axle end in the picture, the number of threads visible would be quite normal, hence the axle nut is in the correct torqued position, hence most likely the spacer is still present, would...
Forum: Accidents and Close Calls
14th Mar 2024, 05:58
Replies: 57
Views: 18,262
Posted By aeromech3

The video's all show the axle intact and the...

The video's all show the axle intact and the inner bearing race and its outer track resting on the axle, only the wheel and outer race parts are missing.
No doubt as good practice the axle was...
Forum: Accidents and Close Calls
14th Mar 2024, 05:03
Replies: 30
Views: 10,873
Posted By aeromech3

Your are correct TURIN, but I think some...

Your are correct TURIN, but I think some contradictions are misleading, as indeed they are mechanically connected by the drive shaft system: the inner
T/E flaps are driven by torque shafts to port...
Forum: Accidents and Close Calls
13th Mar 2024, 04:16
Replies: 57
Views: 18,262
Posted By aeromech3

In our small aircraft wheel shop, attached to my...

In our small aircraft wheel shop, attached to my last hangar set up, the specific greasing of the bearings was strictly applied and itemised on the wheel build sheets (preferred manufacturer had a...
Forum: Accidents and Close Calls
11th Mar 2024, 12:09
Replies: 57
Views: 18,262
Posted By aeromech3

Just seen Stig shift, I ignore his comments, as...

Just seen Stig shift, I ignore his comments, as far as I am concerned, if UA shop did the NDT or the bearing was over-loaded by torque or lack of grease or the wheel had been subject to very high...
Forum: Accidents and Close Calls
10th Mar 2024, 07:42
Replies: 57
Views: 18,262
Posted By aeromech3

C Q McHale, see my post #18, direction of this...

C Q McHale, see my post #18, direction of this inner wheel rotation, except during push-back, would tend to tighten the axle nut.
Forum: Tech Log
9th Mar 2024, 10:26
Replies: 15
Views: 2,747
Posted By aeromech3

Been a few years now, but pressure refueling...

Been a few years now, but pressure refueling etiquette is to give the tanker or rig driver your calculated uplift, in volume litre/gallons which would need a conversion chart from Kg/lb against his...
Forum: Accidents and Close Calls
9th Mar 2024, 07:30
Replies: 195
Views: 85,534
Posted By aeromech3

Thanks 1southernman, that explains a lot, most...

Thanks 1southernman, that explains a lot, most aircraft I have had the pleasure of working on, if you forgot to check the throttle levers were at idle before start, you would wonder why the idle was...
Forum: Accidents and Close Calls
9th Mar 2024, 02:31
Replies: 57
Views: 18,262
Posted By aeromech3

Just for info: Jacking a wide body airliner for...

Just for info: Jacking a wide body airliner for wheel change, if the tyre is flat a crocodile style jack is needed to get under the bogie (truck). The video shows the centre wheel change which is why...
Forum: Accidents and Close Calls
8th Mar 2024, 11:03
Replies: 57
Views: 18,262
Posted By aeromech3

MechEngr! The tenons of the rotors in the...

MechEngr!

The tenons of the rotors in the brake unit engage with the keys inside the wheel hub. The axle does not rotate with the wheel/tyre, heaven forbid. The axle nut with thick, sometimes...
Forum: Accidents and Close Calls
8th Mar 2024, 03:07
Replies: 57
Views: 18,262
Posted By aeromech3

General wheel knowledge with Boeing commercials. ...

General wheel knowledge with Boeing commercials.
If it was just the tyre then a wheel flange failure would be suspect ( nearly unheard of since detachable flange wheels have been phased out for...
Forum: Accidents and Close Calls
7th Mar 2024, 11:43
Replies: 195
Views: 85,534
Posted By aeromech3

Ground running an L1011, after start the...

Ground running an L1011, after start the throttle was moved just a little, but the engine accelerated towards T/O power; the cut off switch worked fine; RR stated it could not happen, but some...
Forum: Rumours & News
4th Mar 2024, 04:37
Replies: 1,799
Views: 3,070,919
Posted By aeromech3

Not being a pilot, but I have wondered why...

Not being a pilot, but I have wondered why "Direct to" was not often given during my trips up front with a Jeppesen in my lap,
In the late 70's my L1011 training included Nav and I was shown the...
Forum: Accidents and Close Calls
29th Feb 2024, 14:19
Replies: 195
Views: 85,534
Posted By aeromech3

1990's VIP Gulfstream's, I was operating as...

1990's VIP Gulfstream's, I was operating as Flying Spanner/2nd Cabin crew member, security,baggage handler and door operator, Jeppesen manual handler, we had more than one passenger that would send...
Forum: Accidents and Close Calls
13th Feb 2024, 14:59
Replies: 13
Views: 7,321
Posted By aeromech3

For a C of A renewal a stall test used to be...

For a C of A renewal a stall test used to be called IMMSMC and it was removed by most authorities. One of my past employers decided to do such a test flight as accepting a used classic B747 type into...
Forum: Accidents and Close Calls
12th Feb 2024, 11:41
Replies: 26
Views: 12,242
Posted By aeromech3

Low Range Radio Altimeter System (Not a radar...

Low Range Radio Altimeter System (Not a radar altimeter) In my day 18 years ago with Classic B747 MMEL, Indicators Inop:- May be inoperative provided approach minimums or operating procedures do not...
Forum: Accidents and Close Calls
8th Feb 2024, 11:20
Replies: 1,950
Views: 928,855
Posted By aeromech3

"Some contributors define the drawing on the plug...

"Some contributors define the drawing on the plug window as graffiti. One could see it rather as the symbol widely used throughout the world to ward off the "evil eye". Interesting to have something...
Forum: Accidents and Close Calls
8th Feb 2024, 05:35
Replies: 1,950
Views: 928,855
Posted By aeromech3

Again, the last posts have overlooked the window...

Again, the last posts have overlooked the window trim panel contribution to keeping the plug in position and from moving freely upwards, as mentioned by wbclay, repeated by TURIN and again by Loose...
Forum: Accidents and Close Calls
5th Feb 2024, 06:57
Replies: 1,950
Views: 928,855
Posted By aeromech3

remi "but in what world do you take delivery of...

remi
"but in what world do you take delivery of unfinished or known defective components from suppliers"

Sorry to inform you, but in aircraft production there are many, they are assigned as...
Forum: Accidents and Close Calls
3rd Feb 2024, 10:43
Replies: 1,950
Views: 928,855
Posted By aeromech3

Rebus, major non OEM mods are approved through...

Rebus, major non OEM mods are approved through the STC process, supplemental type certificate.
Forum: Accidents and Close Calls
2nd Feb 2024, 14:51
Replies: 1,950
Views: 928,855
Posted By aeromech3

As the lap joint does not match that of the...

As the lap joint does not match that of the aircraft I 'wrongly' presumed it was a template, can see the odd positioning rivet along near edge.
I wonder how many commentators have cut an aircraft...
Forum: Accidents and Close Calls
1st Feb 2024, 09:46
Replies: 1,950
Views: 928,855
Posted By aeromech3

As it happens I worked on many L1011 doors and...

As it happens I worked on many L1011 doors and held type approvals for 12 years; though the motor drive was the main problem; the door would indeed rise dramatically when the escape slide pack was...
Forum: Accidents and Close Calls
1st Feb 2024, 06:24
Replies: 1,950
Views: 928,855
Posted By aeromech3

chrisl137 Well for info: the L1011 pax doors...

chrisl137
Well for info: the L1011 pax doors are plug they open inwards and up into the ceiling void.
The problem with this action in an accident scenario, is that a pile of bodies against the...
Forum: Accidents and Close Calls
31st Jan 2024, 14:57
Replies: 1,950
Views: 928,855
Posted By aeromech3

My calculation roughly 7tons at max diff; other...

My calculation roughly 7tons at max diff; other than similar to the incorrect bolt length episode in a BAC1-11, the flight deck windows are perhaps stronger than the fuselage skin, they are able to...
Forum: Tech Log
29th Jan 2024, 07:51
Replies: 17
Views: 3,006
Posted By aeromech3

I'm not a pilot, but on a similar sized...

I'm not a pilot, but on a similar sized commercial aircraft we were getting Tech Log reports of the plane needing aileron trim input to fly level, we did all that the MM allowed except for adding a...
Forum: Accidents and Close Calls
27th Jan 2024, 15:25
Replies: 1,950
Views: 928,855
Posted By aeromech3

My copy of CAIP's from 1971 (updated for some...

My copy of CAIP's from 1971 (updated for some years and costs) which I studied and loaned out to promising mechanics for their preparation for Licensing exams, states clearly this is the minimum...
Forum: Accidents and Close Calls
27th Jan 2024, 10:31
Replies: 1,950
Views: 928,855
Posted By aeromech3

Calling out Europa01 and 639. Never had a task...

Calling out Europa01 and 639.
Never had a task card that stated "thread nut on bolt by hand" this is just too basic and though over thorough, excludes mention of the washer.
In my training days...
Forum: Accidents and Close Calls
26th Jan 2024, 11:28
Replies: 73
Views: 28,241
Posted By aeromech3

The aircraft was a SAS wet leased B747 classic of...

The aircraft was a SAS wet leased B747 classic of a good age, and now operating in hot to hot climates the problem arose: on subsequent start up and taxi the throttle could not be advanced as the...
Showing results 1 to 35 of 193
 
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