Narrative:

Taxiing from spot 1 to runway 1L at sfo for takeoff. We began the taxi checklist. During the checks, the right pack light illuminated and we took care of this and hit recall a second time. The left pack light illuminated this time and we could not get it to keep from illuminating on recall. As I looked for the hold short line anticipating it to be much closer to the runway at runway 1L, I noticed we had crossed the hold short line by approximately 15-20 ft by the time I could stop. Tower noted the same and cleared us to do a 180 degree turn and hold short so that we could take care of the problem and get an en route MEL. I was not familiar with location of hold short line for this runway as we normally use runway 1R. Noticed that hold short lines are not noted on charts (airport diagrams). We did not create any traffic conflicts or place aircraft across runway edge.

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Original NASA ASRS Text

Title: AN AIRLINE CREW, TAXIING FOR TKOF AT SFO, TAXIED PAST THE HOLD SHORT LINE WHILE BEING DISTR BY AN EQUIP PROB.

Narrative: TAXIING FROM SPOT 1 TO RWY 1L AT SFO FOR TKOF. WE BEGAN THE TAXI CHKLIST. DURING THE CHKS, THE R PACK LIGHT ILLUMINATED AND WE TOOK CARE OF THIS AND HIT RECALL A SECOND TIME. THE L PACK LIGHT ILLUMINATED THIS TIME AND WE COULD NOT GET IT TO KEEP FROM ILLUMINATING ON RECALL. AS I LOOKED FOR THE HOLD SHORT LINE ANTICIPATING IT TO BE MUCH CLOSER TO THE RWY AT RWY 1L, I NOTICED WE HAD CROSSED THE HOLD SHORT LINE BY APPROX 15-20 FT BY THE TIME I COULD STOP. TWR NOTED THE SAME AND CLRED US TO DO A 180 DEG TURN AND HOLD SHORT SO THAT WE COULD TAKE CARE OF THE PROB AND GET AN ENRTE MEL. I WAS NOT FAMILIAR WITH LOCATION OF HOLD SHORT LINE FOR THIS RWY AS WE NORMALLY USE RWY 1R. NOTICED THAT HOLD SHORT LINES ARE NOT NOTED ON CHARTS (ARPT DIAGRAMS). WE DID NOT CREATE ANY TFC CONFLICTS OR PLACE ACFT ACROSS RWY EDGE.

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.