Narrative:

On the night of nov/xx/94 I was working on DC9-30 performing an 'a' check in the line, I was checking the engines and I noticed the left engine had metal fuzz in all 4 chip detectors so I continued to investigate a little further. At this time I proceeded to pull the main oil strainer and found more metal particles. Then, I called maintenance control and they advised me to look at maintenance manual 72-00 page 132 which specifies my next step which tells me to install the partial power stop and take the aircraft for a high power run for 5 mins according with the maintenance manual procedures. Then came back and pulled the filter, which was a new one I just installed prior to the ene run, and found some metal particles real fine which I thought were from the lines. At this time maintenance control advised me to put on a new filter, run the ene and checked again. At this time I found no more metal. Then proceeded to put the ene on monitor for 50 hours flight according to the maintenance manual. Now up to this point I felt I did everything right except that I failed to log in the removal of the partial power stop in the logbook, which in turn when I finished the job and closed the engine cowling and released the aircraft I forgot to reinstall the pp stop to the original position.

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Original NASA ASRS Text

Title: RPTR FORGOT TO REMOVE MAINT ENG. GND RUN-UP DEVICE FROM THE FUEL CTL PRIOR TO RELEASING THE ACFT FOR FLT.

Narrative: ON THE NIGHT OF NOV/XX/94 I WAS WORKING ON DC9-30 PERFORMING AN 'A' CHK IN THE LINE, I WAS CHKING THE ENGS AND I NOTICED THE L ENG HAD METAL FUZZ IN ALL 4 CHIP DETECTORS SO I CONTINUED TO INVESTIGATE A LITTLE FURTHER. AT THIS TIME I PROCEEDED TO PULL THE MAIN OIL STRAINER AND FOUND MORE METAL PARTICLES. THEN, I CALLED MAINT CTL AND THEY ADVISED ME TO LOOK AT MAINT MANUAL 72-00 PAGE 132 WHICH SPECIFIES MY NEXT STEP WHICH TELLS ME TO INSTALL THE PARTIAL PWR STOP AND TAKE THE ACFT FOR A HIGH PWR RUN FOR 5 MINS ACCORDING WITH THE MAINT MANUAL PROCS. THEN CAME BACK AND PULLED THE FILTER, WHICH WAS A NEW ONE I JUST INSTALLED PRIOR TO THE ENE RUN, AND FOUND SOME METAL PARTICLES REAL FINE WHICH I THOUGHT WERE FROM THE LINES. AT THIS TIME MAINT CTL ADVISED ME TO PUT ON A NEW FILTER, RUN THE ENE AND CHKED AGAIN. AT THIS TIME I FOUND NO MORE METAL. THEN PROCEEDED TO PUT THE ENE ON MONITOR FOR 50 HRS FLT ACCORDING TO THE MAINT MANUAL. NOW UP TO THIS POINT I FELT I DID EVERYTHING RIGHT EXCEPT THAT I FAILED TO LOG IN THE REMOVAL OF THE PARTIAL PWR STOP IN THE LOGBOOK, WHICH IN TURN WHEN I FINISHED THE JOB AND CLOSED THE ENG COWLING AND RELEASED THE ACFT I FORGOT TO REINSTALL THE PP STOP TO THE ORIGINAL POS.

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.