737NG ENG FAIL Alert During Normal Shutdown
Hi folks,
I had a bit of a strange one recently. During taxi to stand we should down engine No.2 as per SOP. When we moved the start lever to CUTOFF the ENG FAIL alert annunciatedand the lower DU “pop up” feature displayed the secondary instruments. The engineers performed a BITE test but the only fault they found was some minor issues with the engine start switch. As the conditions for the ENG FAIL alert were not met I am confused as to why this happened. Could the fault with the start switch be the culprit? Has anyone else ever experienced this? |
Originally Posted by JT8D-17
(Post 11169972)
Hi folks,
I had a bit of a strange one recently. During taxi to stand we should down engine No.2 as per SOP. When we moved the start lever to CUTOFF the ENG FAIL alert annunciatedand the lower DU “pop up” feature displayed the secondary instruments. The engineers performed a BITE test but the only fault they found was some minor issues with the engine start switch. As the conditions for the ENG FAIL alert were not met I am confused as to why this happened. Could the fault with the start switch be the culprit? Has anyone else ever experienced this? |
The minor fault was with the engine start switch which is not included in the logic for the ENG FAIL message according to the FCOM. The start lever which is included in the logic was operating normally.
It's very possible that the start switch issue has something to do with it however I had been flying the same aircraft for a few days before and had no issues. The BITE test indicated that the fault had been there a while. |
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