Reverser Light Leads to Engine Shutdown

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av8ts
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Re: Reverser Light Leads to Engine Shutdown

Post by av8ts » Mon May 27, 2019 10:19 am

On the CRJ 200 you will get an amber REV UNLOCKED message. Procedure is to call for the QRC (quick response checklist)
On the CRJ 900 you will get a red REV DEPLOYED message. Procedure is to call for the QRC.
It is not a memory item to do a shutdown on either aircraft
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mbav8r
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Re: Reverser Light Leads to Engine Shutdown

Post by mbav8r » Mon May 27, 2019 10:35 am

I will answer the technical aspect, as for how the crew ended up shutting it down and then restarted it, I can only speculate like the rest of you.
As for the QRC(Quick reference checklist), both have you confirm the thrust lever and retard it to idle, the 200 has a retard system that actually brings the thrust lever to idle, on the 200 the next step is to select the emergency stow, the 900 FADEC reduces to idle thrust, then both go to the QRH(Quick Reference Handbook).
The 900 QRH is much shorter and is no question, you shut it down.
The 200 QRH, much more in depth, starts with a question of whether or not the thrust reverser has stowed(as indicated by improved handling and normal operation of thrust lever(cable retard system deactivated), if the answer is yes then you shut off the affected thrust reverser and operate the engine normally.
If the answer is no, you shut it down.
I hope they didn’t just shut down an engine without use of the checklist but the cadors description obviously lends to that scenario, however it’s possible they answered no, which lead to a shut down then after re reading the QRH, after the shutdown checklist was complete they realized the note that said the affected emergency stow light and REV UNLOCKED msg will remain on even if the reverser has stowed, meant they probably didn’t need to shut it down and decided to restart it again, I wasn’t there so only trying to imagine how that could’ve happened
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laserstrike
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Re: Reverser Light leads to Engine Shutdown

Post by laserstrike » Tue May 28, 2019 6:29 pm

av8ts wrote:
Thu May 23, 2019 10:04 am
Heliian wrote:
Thu May 23, 2019 8:04 am
The pilots did the right thing in shutting the engine down.

You don't want to waste time when presented with a bad reverser.

They then ran the qrh, which directed them to the correct procedure for that aircraft and they continued as they should.

Hardly even worth mentioning really.
What!! They were confused about their memory items and wrongly shut down an engine and your saying that was the right thing to do??
What memory items?
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av8ts
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Re: Reverser Light leads to Engine Shutdown

Post by av8ts » Wed May 29, 2019 9:22 am

laserstrike wrote:
Tue May 28, 2019 6:29 pm
av8ts wrote:
Thu May 23, 2019 10:04 am
Heliian wrote:
Thu May 23, 2019 8:04 am
The pilots did the right thing in shutting the engine down.

You don't want to waste time when presented with a bad reverser.

They then ran the qrh, which directed them to the correct procedure for that aircraft and they continued as they should.

Hardly even worth mentioning really.
What!! They were confused about their memory items and wrongly shut down an engine and your saying that was the right thing to do??
What memory items?
I at first thought this was a memory item
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crj_705
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Re: Always check the model number painted on the side when getting in

Post by crj_705 » Thu May 30, 2019 7:53 am

Tail-Chaser wrote:
Sun May 26, 2019 9:43 pm
fish4life wrote:
Sun May 26, 2019 9:22 pm
Tail-Chaser wrote:
Sun May 26, 2019 7:13 am


They do. There are basically no more memory items. They would've pulled up the QRC then moved on to the longer QRH. The difference between the 200 and 900 is that the 200 has a system to more or less restow the reverser if it comes unlocked IRCC. The 900 doesn't.
Just because i don’t know is the QRC the same for both types?
I find it weird a QRC would have you shut it down only to have the model specific QRH let you start it back up or is there. Procedure to be done while it’s shut down that allows you to start the engine back up?


It's been a little while since I flew them but the QRCs were unique to the type. I wish I still had access to the documents to double check.

The procedure for the 200 was pretty basic. I think the thrust lever automatically retarded to idle or needed to be idled, the EMER STOW button illuminated, you hit the button, and ideally you've got a stowed reverser.

CRJ200 QRC

L REV UNLOCKED OR R REV UNLOCKED CAUTION MESSAGE – IN FLIGHT

 Affected THRUST LEVER .................. CONFIRM and IDLE

 Affected REVERSER EMER STOW ..................... SELECT

 Complete QRH EMERGENCY 1-17


QRH EMERGENCY 1-17

L REV UNLOCKED OR R REV UNLOCKED CAUTION MESSAGE – IN FLIGHT

 Affected THRUST LEVER ............................. CONFIRM and IDLE

 Affected THRUST REVERSER EMER STOW ................. SELECT

NOTE:

The affected EMER STOW switchlight and the corresponding L or R REV UNLOCKED caution message will remain on.

Does the affected Thrust Reverser stow (as indicated by improved airplane handling and normal operation of the affected Thrust Lever)?

YES:

 Affected THRUST REVERSER .......................................... …..OFF

 THRUST LEVERS .................................................. As REQUIRED

 Land at the nearest suitable airport.

CAUTION:

If required, the remaining Thrust Reverser can be used carefully upon landing

- END -

NO:

 Airspeed ......................................................... MAXIMUM 200 KIAS

 Affected THRUST REVERSER ............................................. …OFF

 APU (if Available – 30,000 Feet and Below) ........................ START

 APU GEN ................................................................................ …ON

 IN-FLIGHT ENGINE SHUTDOWN ............................ ACCOMPLISH Now

(ABNORMAL 1-1)
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Tail-Chaser
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Re: Always check the model number painted on the side when getting in

Post by Tail-Chaser » Thu May 30, 2019 4:03 pm

crj_705 wrote:
Thu May 30, 2019 7:53 am
Tail-Chaser wrote:
Sun May 26, 2019 9:43 pm
fish4life wrote:
Sun May 26, 2019 9:22 pm


Just because i don’t know is the QRC the same for both types?
I find it weird a QRC would have you shut it down only to have the model specific QRH let you start it back up or is there. Procedure to be done while it’s shut down that allows you to start the engine back up?


It's been a little while since I flew them but the QRCs were unique to the type. I wish I still had access to the documents to double check.

The procedure for the 200 was pretty basic. I think the thrust lever automatically retarded to idle or needed to be idled, the EMER STOW button illuminated, you hit the button, and ideally you've got a stowed reverser.

CRJ200 QRC

L REV UNLOCKED OR R REV UNLOCKED CAUTION MESSAGE – IN FLIGHT

 Affected THRUST LEVER .................. CONFIRM and IDLE

 Affected REVERSER EMER STOW ..................... SELECT

 Complete QRH EMERGENCY 1-17


QRH EMERGENCY 1-17

L REV UNLOCKED OR R REV UNLOCKED CAUTION MESSAGE – IN FLIGHT

 Affected THRUST LEVER ............................. CONFIRM and IDLE

 Affected THRUST REVERSER EMER STOW ................. SELECT

NOTE:

The affected EMER STOW switchlight and the corresponding L or R REV UNLOCKED caution message will remain on.

Does the affected Thrust Reverser stow (as indicated by improved airplane handling and normal operation of the affected Thrust Lever)?

YES:

 Affected THRUST REVERSER .......................................... …..OFF

 THRUST LEVERS .................................................. As REQUIRED

 Land at the nearest suitable airport.

CAUTION:

If required, the remaining Thrust Reverser can be used carefully upon landing

- END -

NO:

 Airspeed ......................................................... MAXIMUM 200 KIAS

 Affected THRUST REVERSER ............................................. …OFF

 APU (if Available – 30,000 Feet and Below) ........................ START

 APU GEN ................................................................................ …ON

 IN-FLIGHT ENGINE SHUTDOWN ............................ ACCOMPLISH Now

(ABNORMAL 1-1)
Thank ya kindly!
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