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A B767 captain, prior to departure from sfo, released the parking brake prematurely without the ground crew's concurrence.
| Attributes | |
| ACN | 545026 |
| Time | |
| Date | 200204 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sfo.airport |
| State Reference | CA |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 38 flight time total : 15000 flight time type : 38 |
| ASRS Report | 545026 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time type : 3140 |
| ASRS Report | 545024 |
| Events | |
| Anomaly | ground encounters other non adherence : company policies non adherence : published procedure |
| Independent Detector | other flight crewa other flight crewb other other : 3 |
| Resolutory Action | none taken : detected after the fact other |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Company Flight Crew Human Performance Maintenance Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
APU inoperative/right ff indicator erratic. Right engine start at gate after additional 6-8 review. Normal pushback and left engine xbleed start. After both engines started, captain/first officer could not see mechanic or tug. Captain assumed salute/release received. First officer called for taxi clearance. Commenced taxi and inadvertently ran over tow bar/heard noise. Reset brakes. Mechanic notified captain of running over tow bar. Notified maintenance, returned to gate.
Original NASA ASRS Text
Title: A B767 CAPT, PRIOR TO DEP FROM SFO, RELEASED THE PARKING BRAKE PREMATURELY WITHOUT THE GND CREW'S CONCURRENCE.
Narrative: APU INOP/R FF INDICATOR ERRATIC. R ENG START AT GATE AFTER ADDITIONAL 6-8 REVIEW. NORMAL PUSHBACK AND L ENG XBLEED START. AFTER BOTH ENGS STARTED, CAPT/FO COULD NOT SEE MECH OR TUG. CAPT ASSUMED SALUTE/RELEASE RECEIVED. FO CALLED FOR TAXI CLRNC. COMMENCED TAXI AND INADVERTENTLY RAN OVER TOW BAR/HEARD NOISE. RESET BRAKES. MECH NOTIFIED CAPT OF RUNNING OVER TOW BAR. NOTIFIED MAINT, RETURNED TO GATE.
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.