Narrative:

We were just west of lar at FL310 when center called to confirm our routing after lar. As the PNF, I replied that we were cleared direct ocs dta flight plan route after lar. As I looked down at the FMC, I noticed that puc was the active waypoint. ATC issued a 20 degree right turn for ocs. I entered ocs in the FMC and proceeded direct. No loss of separation was observed by this reporter. I believe this incident was caused by a breakdown in SOP. I was working with many problems during the preflight phase. New first officer. Takeoff altitude required, unable to communicate with dispatch due to no ACARS. Had congested commercial radio frequency, low visibility, deicing, etc. Bottom line is, we got consumed in these matters and I never insured the verification of the new route in the FMC by the first officer.

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Original NASA ASRS Text

Title: MLG CREW TURNED TO WRONG FIX PROGRAMMED INTO FMS.

Narrative: WE WERE JUST W OF LAR AT FL310 WHEN CTR CALLED TO CONFIRM OUR ROUTING AFTER LAR. AS THE PNF, I REPLIED THAT WE WERE CLRED DIRECT OCS DTA FLT PLAN RTE AFTER LAR. AS I LOOKED DOWN AT THE FMC, I NOTICED THAT PUC WAS THE ACTIVE WAYPOINT. ATC ISSUED A 20 DEG R TURN FOR OCS. I ENTERED OCS IN THE FMC AND PROCEEDED DIRECT. NO LOSS OF SEPARATION WAS OBSERVED BY THIS RPTR. I BELIEVE THIS INCIDENT WAS CAUSED BY A BREAKDOWN IN SOP. I WAS WORKING WITH MANY PROBS DURING THE PREFLT PHASE. NEW FO. TKOF ALT REQUIRED, UNABLE TO COMMUNICATE WITH DISPATCH DUE TO NO ACARS. HAD CONGESTED COMMERCIAL RADIO FREQ, LOW VISIBILITY, DEICING, ETC. BOTTOM LINE IS, WE GOT CONSUMED IN THESE MATTERS AND I NEVER INSURED THE VERIFICATION OF THE NEW RTE IN THE FMC BY THE FO.

Data retrieved from NASA's ASRS site as of July 2007 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.