Narrative:

I had a non routine card to service #1 engine constant speed drive. I went to another hangar bay to ask another mechanic if he could show me how to service a constant speed drive on a B727. He showed me the cups I had to take off and where to hook up the servicing line from the servicing cart. He told me where to find the carts to service the equipment. I found the cart, on the metal plate attached to the cart said 'engine oil.' on the cart was also an orange tape on the front that said 'mobile ii engine oil.' so I took the cart to the ramp and svced #1 engine constant speed drive and signed off the paperwork. At XX00 the same mechanic that I had asked assistance from, flagged me down and told me that I had svced the constant speed drive with the wrong oil, because he was going to use the same cart on a DC9 in his hangar. His lead in his hangar phoned maintenance control in ZZZ and told them about the situation.

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Original NASA ASRS Text

Title: A B727-200 DURING MAINT HAD THE #1 ENG CONSTANT SPD DRIVE SVCED WITH THE INCORRECT OIL.

Narrative: I HAD A NON ROUTINE CARD TO SVC #1 ENG CONSTANT SPD DRIVE. I WENT TO ANOTHER HANGAR BAY TO ASK ANOTHER MECH IF HE COULD SHOW ME HOW TO SVC A CONSTANT SPD DRIVE ON A B727. HE SHOWED ME THE CUPS I HAD TO TAKE OFF AND WHERE TO HOOK UP THE SVCING LINE FROM THE SVCING CART. HE TOLD ME WHERE TO FIND THE CARTS TO SVC THE EQUIP. I FOUND THE CART, ON THE METAL PLATE ATTACHED TO THE CART SAID 'ENG OIL.' ON THE CART WAS ALSO AN ORANGE TAPE ON THE FRONT THAT SAID 'MOBILE II ENG OIL.' SO I TOOK THE CART TO THE RAMP AND SVCED #1 ENG CONSTANT SPD DRIVE AND SIGNED OFF THE PAPERWORK. AT XX00 THE SAME MECH THAT I HAD ASKED ASSISTANCE FROM, FLAGGED ME DOWN AND TOLD ME THAT I HAD SVCED THE CONSTANT SPD DRIVE WITH THE WRONG OIL, BECAUSE HE WAS GOING TO USE THE SAME CART ON A DC9 IN HIS HANGAR. HIS LEAD IN HIS HANGAR PHONED MAINT CTL IN ZZZ AND TOLD THEM ABOUT THE SIT.

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.