Narrative:

During cruise; I was preparing for the arrival into boise; landing west. I was looking for an approach that would connect with the kyaan 2 arrival. I wanted to do an RNAV approach; and the rnp X rwy 28R was the only one that connected from the kyaan 2. [At the departure airport]; as I always do; I had circled the approaches on the paperwork that were out of service. Unfortunately; later when I was choosing an approach; I didn't remember that. The first indication that something was not right; was an FMS message that said something was not correct about the next leg. I looked closer at the FMS; and everything looked correct; but then reaching that next fix; we got the egpws 'caution terrain' and the FGC lost its VNAV and we went into pitch mode. We performed a missed approach. While being vectored for the ILS; a light went off in my head; and I checked the weather packet; where I realized our mistake of attempting an OTS approach.maybe there is no better way to handle these OTS approaches; but I did what I was supposed to do [during preflight] as far as reviewing the destination info. After this incident; I decided to start the practice of highlighting OTS approaches at the destination airport in jepp pro while reviewing the weather packet. I also will include a note about the OTS approaches on the 'landing' side of the data card. That should prevent this sort of mistake from happening again; but if an approach is OTS for long periods of time; why are they listed in our jeppesen subscription and even in the FMS? This seems like all the holes in the cheese are being lined up by the company with the only means of catching this; being the actions of the pilots. Granted; the corrective measures I stated above will come in handy for many other situations; such as when an approach is only OTS for a short period of time; such as hours or days. Those corrective measures should prevent this from happening again.cause of the event was that I forgot that I earlier had made note of the fact that a particular approach contained in both our jepps and FMS; was and has been out of service for many months. When I read this information at the departure airport; I did not write down this restriction in a place that would remind me later.

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Original NASA ASRS Text

Title: Air carrier Captain reported using an out of service approach into BOI which resulted in an EGPWS 'CAUTION TERRAIN' alert.

Narrative: During cruise; I was preparing for the arrival into Boise; landing west. I was looking for an approach that would connect with the KYAAN 2 arrival. I wanted to do an RNAV approach; and the RNP X Rwy 28R was the only one that connected from the KYAAN 2. [At the departure airport]; as I always do; I had circled the approaches on the paperwork that were out of service. Unfortunately; later when I was choosing an approach; I didn't remember that. The first indication that something was not right; was an FMS message that said something was not correct about the next leg. I looked closer at the FMS; and everything looked correct; but then reaching that next fix; we got the EGPWS 'CAUTION TERRAIN' and the FGC lost its VNAV and we went into PITCH mode. We performed a missed approach. While being vectored for the ILS; a light went off in my head; and I checked the weather packet; where I realized our mistake of attempting an OTS approach.Maybe there is no better way to handle these OTS approaches; but I did what I was supposed to do [during preflight] as far as reviewing the destination info. After this incident; I decided to start the practice of highlighting OTS approaches at the destination airport in Jepp Pro while reviewing the weather packet. I also will include a note about the OTS approaches on the 'Landing' side of the data card. That should prevent this sort of mistake from happening again; but if an approach is OTS for long periods of time; why are they listed in our Jeppesen subscription and even in the FMS? This seems like all the holes in the cheese are being lined up by the company with the only means of catching this; being the actions of the pilots. Granted; the corrective measures I stated above will come in handy for many other situations; such as when an approach is only OTS for a short period of time; such as hours or days. Those corrective measures should prevent this from happening again.Cause of the event was that I forgot that I earlier had made note of the fact that a particular approach contained in both our Jepps and FMS; was and has been out of service for many months. When I read this information at the departure airport; I did not write down this restriction in a place that would remind me later.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.