Narrative:

I received P/north abc and P/north def upper and lower main rotor I received P/north abc and P/north def upper and lower main rotor attachment sleeves from the company parts department as attachment sleeves from the company parts department as serviceable parts to install on an X helicopter. Both the serviceable parts to install on an X helicopter. Both the X and Y use the same part number and both are operated at X and Y use the same part number and both are operated at this location. The total time on both sleeves was this location. The total time on both sleeves was 1878:35. Neither the sleeves nor the accompanying 1878:35. Neither the sleeves nor the accompanying paperwork stated which type aircraft these parts were paperwork stated which type aircraft these parts were intended for. Assuming the parts were indeed serviceable intended for. Assuming the parts were indeed serviceable I installed them without checking the master servicing I installed them without checking the master servicing recommendations manual for tbo differences between X and recommendations manual for tbo differences between X and Y. The tbo for an X is 1500 hours and the Y is 4000 hours. Y. The tbo for an X is 1500 hours and the Y is 4000 hours. The aircraft was operated with the over tbo sleeves until the the aircraft was operated with the over tbo sleeves until the company records department discovered the discrepancy in oct of company records department discovered the discrepancy in oct of 1989 and I replaced them with serviceable 'O' time 1989 and I replaced them with serviceable 'O' time sleeves. Sleeves.

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Original NASA ASRS Text

Title: INSTALLED WRONG SLEEVE ON HELICOPTER, TIME LIMITED.

Narrative: I RECEIVED P/N ABC AND P/N DEF UPPER AND LOWER MAIN ROTOR I RECEIVED P/N ABC AND P/N DEF UPPER AND LOWER MAIN ROTOR ATTACHMENT SLEEVES FROM THE COMPANY PARTS DEPT AS ATTACHMENT SLEEVES FROM THE COMPANY PARTS DEPT AS SERVICEABLE PARTS TO INSTALL ON AN X HELI. BOTH THE SERVICEABLE PARTS TO INSTALL ON AN X HELI. BOTH THE X AND Y USE THE SAME PART NUMBER AND BOTH ARE OPERATED AT X AND Y USE THE SAME PART NUMBER AND BOTH ARE OPERATED AT THIS LOCATION. THE TOTAL TIME ON BOTH SLEEVES WAS THIS LOCATION. THE TOTAL TIME ON BOTH SLEEVES WAS 1878:35. NEITHER THE SLEEVES NOR THE ACCOMPANYING 1878:35. NEITHER THE SLEEVES NOR THE ACCOMPANYING PAPERWORK STATED WHICH TYPE ACFT THESE PARTS WERE PAPERWORK STATED WHICH TYPE ACFT THESE PARTS WERE INTENDED FOR. ASSUMING THE PARTS WERE INDEED SERVICEABLE INTENDED FOR. ASSUMING THE PARTS WERE INDEED SERVICEABLE I INSTALLED THEM WITHOUT CHECKING THE MASTER SERVICING I INSTALLED THEM WITHOUT CHECKING THE MASTER SERVICING RECOMMENDATIONS MANUAL FOR TBO DIFFERENCES BETWEEN X AND RECOMMENDATIONS MANUAL FOR TBO DIFFERENCES BETWEEN X AND Y. THE TBO FOR AN X IS 1500 HRS AND THE Y IS 4000 HRS. Y. THE TBO FOR AN X IS 1500 HRS AND THE Y IS 4000 HRS. THE ACFT WAS OPERATED WITH THE OVER TBO SLEEVES UNTIL THE THE ACFT WAS OPERATED WITH THE OVER TBO SLEEVES UNTIL THE COMPANY RECORDS DEPT DISCOVERED THE DISCREPANCY IN OCT OF COMPANY RECORDS DEPT DISCOVERED THE DISCREPANCY IN OCT OF 1989 AND I REPLACED THEM WITH SERVICEABLE 'O' TIME 1989 AND I REPLACED THEM WITH SERVICEABLE 'O' TIME SLEEVES. SLEEVES.

Data retrieved from NASA's ASRS site as of August 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.