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A320 attitude display on ground

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A320 attitude display on ground

Old 10th Aug 2019, 20:59
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A320 attitude display on ground

Hi all,

I noticed today that on the CA side, the attitude indicator showed pitch down indications on the ground, instead of the normal blank, brown hemisphere.

Any idea what caused that, or how to reset it?
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Old 11th Aug 2019, 02:29
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Turn the PFD off and then back on
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Old 11th Aug 2019, 11:06
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Complete realignment of all IRS might help?
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Old 11th Aug 2019, 13:34
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To help troubleshoot this (on the ground while not in flight), you can switch the ATT HDG ECAM switch to Capt on 3.

If the odd display remains the fault is downstream of the DMCs. If the fault clears, the problem is at, or upstream of, DMC 1.

Last edited by Uplinker; 11th Aug 2019 at 13:49.
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Old 11th Aug 2019, 13:46
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Originally Posted by AB335 View Post
Complete realignment of all IRS might help?
Tried to do a full realign of the affected unit. No joy.
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Old 11th Aug 2019, 13:48
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Originally Posted by Uplinker View Post
To troubleshoot this (on the ground while not in flight), you can switch the ATT HDG ECAM switch to Capt on 3.

If the odd display remains the fault is downstream of the DMCs. If the fault clears, the problem is at, or upstream of, DMC 1.
On the day in question ADIRU 3 was deferred.
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Old 11th Aug 2019, 13:57
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Originally Posted by Check Airman View Post
Hi all,

I noticed today that on the CA side, the attitude indicator showed pitch down indications on the ground, instead of the normal blank, brown hemisphere.

Any idea what caused that, or how to reset it?
Call maintenance and have a coffee in the meantime. Works very well to keep you away from troubles.
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Old 11th Aug 2019, 19:39
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Originally Posted by PA38-Pilot View Post
Turn the PFD off and then back on
BTW, I wasn't kidding with this. It actually works. I've seen that a few times.
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Old 11th Aug 2019, 20:05
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Originally Posted by PA38-Pilot View Post
BTW, I wasn't kidding with this. It actually works. I've seen that a few times.
Ah. Will have to try next time, as even the mtx folks were perplexed.
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Old 11th Aug 2019, 22:05
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Howdy C/A, how long are you in - around the 5 year mark?
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Old 11th Aug 2019, 23:09
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Originally Posted by FlightDetent View Post
Howdy C/A, how long are you in - around the 5 year mark?
Pardon me?
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Old 12th Aug 2019, 10:13
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I mean on the bus. It was more or less 5-7 years for us when we started seeing things the manuals could not readily explain. As if the aircraft started behaving non-deterministically. ��

Until that point we thought to belong inside the "it's doing it again" group already, but for some metaphysical reason become "ain't seen nothing yet" people for a while.

Just wonder if your vibes perhaps are similar, it's half of a joke.

Last edited by FlightDetent; 13th Aug 2019 at 13:30.
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Old 12th Aug 2019, 18:53
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Press PFD/ND XFER twice, will clear every time.

Only ever seems to crop up on EIS 2 fitted aircraft and only after daily maintenance checks. No idea why though, should only crop up after becoming airborne?
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Old 13th Aug 2019, 00:46
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Originally Posted by FlightDetent View Post
I mean on the bus. It was more or less 5-7 years for us when we started seeing things the manuals could not readily explain. As if the aircraft started behaving non-deterministically. 🤦

Until that point we thought to belong inside the "it's doing it again" group already, but for some metaphysical reason turned become "ain't seen nothing yet" people for a while.

Just wonder if your vibes perhaps are similar, it's half of a joke.
Ah. Lol. Got it now. I suppose this will be my fourth year. I'm definitely not in the "doing it again" league yet. (Well except for the STARs into LAX where it always says TOO STEEP PATH.
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Old 13th Aug 2019, 00:50
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Originally Posted by Airbus38 View Post
Press PFD/ND XFER twice, will clear every time.

Only ever seems to crop up on EIS 2 fitted aircraft and only after daily maintenance checks. No idea why though, should only crop up after becoming airborne?
First time I saw it was on EIS1. Most recently, EIS2. MSN 6xxx, so a pretty new plane.

Will keep that in tip in the back pocket though. Thanks
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