Narrative:

On the arrival route to sfo, ATC cleared us to descend to 7000'. The captain was flying the aircraft. ATC asked if we could accept runway 28L with 6000' available. The captain said yes and the first officer advised ATC. I heard the altitude alert at 7700' and turned to make a scan of my F/east panel. At this time ATC gave us a turn to a heading and an airspeed of 180 or 190 KTS and told us to cross 14 DME on the localizer at or above 4000'. As the first officer was writing the clearance, the altitude alert sounded again and I looked around and saw that we had passed 6700'. Full recovery was made by the captain at 6600'. As we got back to 7000' the controller was getting to the part about 14 DME at or above 4000' and we continued our descent. ATC never mentioned the deviation, however it was pretty obvious. The great advantage of a 3 man crew is that the PNF can back up the PF and I as the F/east am a backup to the backup. 99 percent of the time I see everything that goes on. The first officer was distraction with an arrival and a clearance that we rarely receive. And I was tending to the panel. I guess I'll have to increase my vigilance up front, especially in an unfamiliar area such as sfo. One thing that is very irritating at times and greatly concerns me is flying with an ex-fighter pilot or a ex-corporate pilot. They have a tendency to be a one man show.

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Original NASA ASRS Text

Title: ACR LGT OVERSHOOTS ASSIGNED ALT IN DESCENT ON MODESTO STAR TO SFO.

Narrative: ON THE ARR RTE TO SFO, ATC CLRED US TO DSND TO 7000'. THE CAPT WAS FLYING THE ACFT. ATC ASKED IF WE COULD ACCEPT RWY 28L WITH 6000' AVAILABLE. THE CAPT SAID YES AND THE F/O ADVISED ATC. I HEARD THE ALT ALERT AT 7700' AND TURNED TO MAKE A SCAN OF MY F/E PANEL. AT THIS TIME ATC GAVE US A TURN TO A HDG AND AN AIRSPD OF 180 OR 190 KTS AND TOLD US TO CROSS 14 DME ON THE LOC AT OR ABOVE 4000'. AS THE F/O WAS WRITING THE CLRNC, THE ALT ALERT SOUNDED AGAIN AND I LOOKED AROUND AND SAW THAT WE HAD PASSED 6700'. FULL RECOVERY WAS MADE BY THE CAPT AT 6600'. AS WE GOT BACK TO 7000' THE CTLR WAS GETTING TO THE PART ABOUT 14 DME AT OR ABOVE 4000' AND WE CONTINUED OUR DSNT. ATC NEVER MENTIONED THE DEV, HOWEVER IT WAS PRETTY OBVIOUS. THE GREAT ADVANTAGE OF A 3 MAN CREW IS THAT THE PNF CAN BACK UP THE PF AND I AS THE F/E AM A BACKUP TO THE BACKUP. 99 PERCENT OF THE TIME I SEE EVERYTHING THAT GOES ON. THE F/O WAS DISTR WITH AN ARR AND A CLRNC THAT WE RARELY RECEIVE. AND I WAS TENDING TO THE PANEL. I GUESS I'LL HAVE TO INCREASE MY VIGILANCE UP FRONT, ESPECIALLY IN AN UNFAMILIAR AREA SUCH AS SFO. ONE THING THAT IS VERY IRRITATING AT TIMES AND GREATLY CONCERNS ME IS FLYING WITH AN EX-FIGHTER PLT OR A EX-CORPORATE PLT. THEY HAVE A TENDENCY TO BE A ONE MAN SHOW.

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.