Narrative:

Our crew of 4 mechanics has just replaced the r-hand engine on the MD80 jet, and was returning from an engine trim run to the company hangar to remove the trim heads and other equipment. I was in the left seat and another mechanic was in the right seat. As we taxied southeast on taxiway 'T' and entered the company ramp at V6 intersection, the only available parking slot was on our deicing pad in slot X. Having seen MD80's in that slot before I chose to park the plane there, knowing it would be a tight squeeze, I told my partner to closely watch the right wing and I would watch the left. I followed the line on the ground and started to enter slot X. I checked my wing and it was clear of the blast fence next to the company jet shop. My partner in the right seat was constantly saying 'you're good, you're clear, you're good, you're clear.' ground speed approximately 2-3 mph. He then brought his head into the plane and said 'it looks good, but I'm not sure.' that's when we felt the bump and had contacted the #5 deice boom with the r-hand wingtip (actually the slat on the wing, which I had extended). I immediately shut the engines down and set the parking brake. We went out to see the situation. My nose gear was about 6 inches to the right of the yellow lead-in line and the mains were coming around to center, but not quite centered yet. The slat had hit the boom which was in itself not previously returned to the position where it belonged. It was off center approximately 3 ft towards the centerline of bay X. The damage was done to the outboard slat and a small dent on the leading edge of the wing skin. The plane was taken to the hangar and the leading edge slat was replaced and a small repair accomplished to the wing leading edge. I believe this accident would not have occurred if the deice boom had been put in its proper placed position after its last use. I also put part blame on my partner and his indecision to stop me short and take a second look. I also believe when putting larger jets into this slot there should be wing walker requirements. The plane was fixed and back in service in 24 hours. I received an infraction from the company with 2 days off without pay. My partner got no time off.

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Original NASA ASRS Text

Title: MAINT PERSONNEL TAXIING ACFT TO PARKING IN DEICE PAD HIT WINGTIP ON DEICE BOOM.

Narrative: OUR CREW OF 4 MECHS HAS JUST REPLACED THE R-HAND ENG ON THE MD80 JET, AND WAS RETURNING FROM AN ENG TRIM RUN TO THE COMPANY HANGAR TO REMOVE THE TRIM HEADS AND OTHER EQUIP. I WAS IN THE L SEAT AND ANOTHER MECH WAS IN THE R SEAT. AS WE TAXIED SE ON TXWY 'T' AND ENTERED THE COMPANY RAMP AT V6 INTXN, THE ONLY AVAILABLE PARKING SLOT WAS ON OUR DEICING PAD IN SLOT X. HAVING SEEN MD80'S IN THAT SLOT BEFORE I CHOSE TO PARK THE PLANE THERE, KNOWING IT WOULD BE A TIGHT SQUEEZE, I TOLD MY PARTNER TO CLOSELY WATCH THE R WING AND I WOULD WATCH THE L. I FOLLOWED THE LINE ON THE GND AND STARTED TO ENTER SLOT X. I CHKED MY WING AND IT WAS CLR OF THE BLAST FENCE NEXT TO THE COMPANY JET SHOP. MY PARTNER IN THE R SEAT WAS CONSTANTLY SAYING 'YOU'RE GOOD, YOU'RE CLR, YOU'RE GOOD, YOU'RE CLR.' GND SPD APPROX 2-3 MPH. HE THEN BROUGHT HIS HEAD INTO THE PLANE AND SAID 'IT LOOKS GOOD, BUT I'M NOT SURE.' THAT'S WHEN WE FELT THE BUMP AND HAD CONTACTED THE #5 DEICE BOOM WITH THE R-HAND WINGTIP (ACTUALLY THE SLAT ON THE WING, WHICH I HAD EXTENDED). I IMMEDIATELY SHUT THE ENGS DOWN AND SET THE PARKING BRAKE. WE WENT OUT TO SEE THE SIT. MY NOSE GEAR WAS ABOUT 6 INCHES TO THE R OF THE YELLOW LEAD-IN LINE AND THE MAINS WERE COMING AROUND TO CTR, BUT NOT QUITE CTRED YET. THE SLAT HAD HIT THE BOOM WHICH WAS IN ITSELF NOT PREVIOUSLY RETURNED TO THE POS WHERE IT BELONGED. IT WAS OFF CTR APPROX 3 FT TOWARDS THE CTRLINE OF BAY X. THE DAMAGE WAS DONE TO THE OUTBOARD SLAT AND A SMALL DENT ON THE LEADING EDGE OF THE WING SKIN. THE PLANE WAS TAKEN TO THE HANGAR AND THE LEADING EDGE SLAT WAS REPLACED AND A SMALL REPAIR ACCOMPLISHED TO THE WING LEADING EDGE. I BELIEVE THIS ACCIDENT WOULD NOT HAVE OCCURRED IF THE DEICE BOOM HAD BEEN PUT IN ITS PROPER PLACED POS AFTER ITS LAST USE. I ALSO PUT PART BLAME ON MY PARTNER AND HIS INDECISION TO STOP ME SHORT AND TAKE A SECOND LOOK. I ALSO BELIEVE WHEN PUTTING LARGER JETS INTO THIS SLOT THERE SHOULD BE WING WALKER REQUIREMENTS. THE PLANE WAS FIXED AND BACK IN SVC IN 24 HRS. I RECEIVED AN INFRACTION FROM THE COMPANY WITH 2 DAYS OFF WITHOUT PAY. MY PARTNER GOT NO TIME OFF.

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.