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B737NG captain reported a track deviation occurred on the RNAV rnp Z 34R arrival into den; following an error in programming the FMC.
| Attributes | |
| ACN | 1658195 |
| Time | |
| Date | 201906 |
| Place | |
| Locale Reference | DEN.Airport |
| State Reference | CO |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737 Next Generation Undifferentiated |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 191 Flight Crew Type 3000 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance Deviation - Track / Heading All Types |
Narrative:
Arriving on the FRENCH3 arrival we were assigned runway 34R. The FMC was programmed in anticipation of being assigned RNAV rnp Z 34R. We asked ATC if we should expect the RNAV arrival and were told possibly. Somewhere around archy we were told it would be a visual arrival. The first officer went into the FMC to renter the FRENCH3 arrival without the RNAV transition in order to extend the full arrival out. In reprogramming the FMC he made an entry error which I did not catch prior to execution which caused a loss of lateral path. The first officer began correcting the FMC; I placed the MCP in heading select as we turned at babaa; but did not add enough wind correction and we drifted wide east of course. The FMC was reprogrammed and course correction was made by himom.
Original NASA ASRS Text
Title: B737NG Captain reported a track deviation occurred on the RNAV RNP Z 34R arrival into DEN; following an error in programming the FMC.
Narrative: Arriving on the FRENCH3 arrival we were assigned Runway 34R. The FMC was programmed in anticipation of being assigned RNAV RNP Z 34R. We asked ATC if we should expect the RNAV arrival and were told possibly. Somewhere around ARCHY we were told it would be a visual arrival. The FO went into the FMC to renter the FRENCH3 arrival without the RNAV transition in order to extend the full arrival out. In reprogramming the FMC he made an entry error which I did not catch prior to execution which caused a loss of lateral path. The FO began correcting the FMC; I placed the MCP in heading select as we turned at BABAA; but did not add enough wind correction and we drifted wide east of course. The FMC was reprogrammed and course correction was made by HIMOM.
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.