Narrative:

At approximately xa:30; I was informed by my lead mechanic that I was to cannibalize an idg off of a heavy check crj-900 aircraft. This part was to be shipped to ZZZ2 for an aircraft that was awaiting parts. Having never accomplished this task; I printed out all the necessary amm references; with all the tasks to be performed. I started with task 24-12-00-680 draining of the idg oil system. I followed with task 24-13-05-000 removal of the idg oil-out temperature-bulb. Finally; I began task 24-11-01-00; removal of the idg.I followed each step; until I arrived at subtask 24-11-01-490. At this point I went to the our maintenance computer data entry to order up tool # XXX; (idg support fixture). The maintenance computer replied that this tool was not applicable to this aircraft. So; I went to the stores department to see if this tool was in stock. The stores person initially told me this part was not in inventory. (Typically we understand this to mean the part does not exist).at this time I talked with other workers about this task; most said they never use this special tool to remove the idg. This led me to believe; that perhaps this special use tool does not need to be used. I then went to my lead mechanic; and told him of the warning note in the amm. I mentioned I could remove the idg with help of four other mechanics; but he (my lead) would have to accept responsibility for any accident or injury; or damage to equipment; because the correct tool was not available. He would not accept responsibility for the idg removal task.we then asked ZZZ1 supervisor 'X' on-duty if he would accept responsibility. Supervisor 'X' was on a conference call at that moment. The ZZZ1 supervisor 'X' asked supervisor 'Y' about using the removal tool to remove the idg; he replied that they have never used the support fixture to remove the idg in the past. At this time; supervisor 'X' said he would accept responsibility for accident; injury and damage. I then proceeded to gather up four co-workers and removed the idg without incident.no one notified me. My conscience got the best of me. I realized later in the shift that what I did could be considered a (dsv) direct safety violation; (skipping a warning note); amm violation.[the cause of skipping the warning note was for] mission completion. I had already completed all preliminary tasks to remove the idg. With the removal tool being the only thing stopping the show; I felt I could remove the idg safely with the help of four other co-workers. No correction has been addressed yet.I should not have skipped the warning step. If the removal tool was not available I should not have proceeded. It was odd to know that for as long as we have been servicing the crj-200's; we have not employed this removal tool to accomplish this task. My fear now exists that if we have been conducting this task all along without this tool; we have been lucky there has not been any serious accidents; injuries or damage.later that day the stores person that was looking for this tool did tell me that this tool had just arrived in ZZZ. I am trying to help my fellow workers to avoid any mishaps that could happen.

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Original NASA ASRS Text

Title: A Mechanic reports he did not follow the AMM 24-11-01-801 procedure to install an IDG support fixture for removal of an IDG generator from one of their Heavy Check CRJ-900's for another CRJ-900. Most mechanics said they never used the support fixture; stores said the tool was not in stock and the Maintenance Supervisor said he would accept responsibility for accident; injury and damage.

Narrative: At approximately XA:30; I was informed by my Lead Mechanic that I was to cannibalize an IDG off of a Heavy Check CRJ-900 aircraft. This part was to be shipped to ZZZ2 for an aircraft that was awaiting parts. Having never accomplished this task; I printed out all the necessary AMM references; with all the tasks to be performed. I started with Task 24-12-00-680 draining of the IDG Oil System. I followed with Task 24-13-05-000 removal of the IDG Oil-Out Temperature-Bulb. Finally; I began Task 24-11-01-00; Removal of the IDG.I followed each step; until I arrived at Subtask 24-11-01-490. At this point I went to the our Maintenance computer data entry to order up Tool # XXX; (IDG Support Fixture). The maintenance computer replied that this tool was not applicable to this aircraft. So; I went to the stores department to see if this tool was in stock. The Stores person initially told me this part was not in inventory. (Typically we understand this to mean the part does not exist).At this time I talked with other workers about this Task; most said they never use this special tool to remove the IDG. This led me to believe; that perhaps this special use tool does not need to be used. I then went to my Lead Mechanic; and told him of the WARNING note in the AMM. I mentioned I could remove the IDG with help of four other mechanics; but he (my Lead) would have to accept responsibility for any accident or injury; or damage to equipment; because the correct tool was not available. He would not accept responsibility for the IDG removal task.We then asked ZZZ1 Supervisor 'X' on-duty if he would accept responsibility. Supervisor 'X' was on a conference call at that moment. The ZZZ1 Supervisor 'X' asked Supervisor 'Y' about using the Removal Tool to remove the IDG; he replied that they have never used the support fixture to remove the IDG in the past. At this time; Supervisor 'X' said he would accept responsibility for accident; injury and damage. I then proceeded to gather up four co-workers and removed the IDG without incident.No one notified me. My conscience got the best of me. I realized later in the shift that what I did could be considered a (DSV) Direct Safety Violation; (skipping a WARNING note); AMM violation.[The cause of skipping the WARNING note was for] mission completion. I had already completed all preliminary tasks to remove the IDG. With the removal tool being the only thing stopping the show; I felt I could remove the IDG safely with the help of four other co-workers. No correction has been addressed yet.I should not have skipped the WARNING step. If the removal tool was not available I should not have proceeded. It was odd to know that for as long as we have been servicing the CRJ-200's; we have not employed this removal tool to accomplish this task. My fear now exists that if we have been conducting this task all along without this tool; we have been lucky there has not been any serious accidents; injuries or damage.Later that day the stores person that was looking for this tool did tell me that this tool had just arrived in ZZZ. I am trying to help my fellow workers to avoid any mishaps that could happen.

Data retrieved from NASA's ASRS site as of April 2012 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.