|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||0001 To 0600|
|Locale Reference||airport : zzz.airport|
|Altitude||agl single value : 0|
|Operator||common carrier : air carrier|
|Make Model Name||B717 (Formerly MD-95)|
|Operating Under FAR Part||Part 121|
|Flight Phase||ground : maintenance|
|Affiliation||company : air carrier|
|Function||maintenance : technician|
|Qualification||technician : airframe|
technician : powerplant
|Experience||maintenance technician : 15|
|Affiliation||company : air carrier|
|Function||maintenance : lead technician|
|Anomaly||aircraft equipment problem : critical|
maintenance problem : improper maintenance
maintenance problem : improper documentation
non adherence : far
|Independent Detector||other other : person 1|
|Resolutory Action||none taken : detected after the fact|
|Maintenance||contributing factor : engineering procedure|
performance deficiency : installation
|Problem Areas||Chart Or Publication|
Maintenance Human Performance
|Primary Problem||Chart Or Publication|
On nov/thu/02, trying to accomplish an engineering order on aircraft X, I found that I could not accomplish some of the tasks as described. The first 5 steps were ok and went ahead to accomplish these tasks, which included removing the gasper fan and installing a new (modified) fan. The new fan has a drain line that needed to be installed. This is where the problem exists. During installation, I found the drawings in the engineering order didn't have any components, ie, valves, ducts, hydraulic lines, electrical harnesses, pulleys, cables, etc. Some of the hardware installation could not be installed because components were in the way and/or hydraulic lines were simply not there. Also, to complicate matters, the numbering of longerons in the engineering order did not coincide with the aircraft. I consulted my lead, then the engineer in charge. Together we worked out a solution, which mainly consisted of renumbering the longerons in the engineering order. I am concerned because I could have installed the drain line per the first engineering order. However, I don't think the clamps would be in the called out position and the water from the drain wouldn't flow properly. It's obvious the engineer(south) never looked at an actual aircraft when making drawings/engineering order.
Original NASA ASRS Text
Title: A B717-200 DURING A GASPER FAN MODIFICATION IT WAS DISCOVERED THE ENGINEERING DRAWING WAS IN ERROR. COMPONENTS LOCATIONS ALL WRONG.
Narrative: ON NOV/THU/02, TRYING TO ACCOMPLISH AN ENGINEERING ORDER ON ACFT X, I FOUND THAT I COULD NOT ACCOMPLISH SOME OF THE TASKS AS DESCRIBED. THE FIRST 5 STEPS WERE OK AND WENT AHEAD TO ACCOMPLISH THESE TASKS, WHICH INCLUDED REMOVING THE GASPER FAN AND INSTALLING A NEW (MODIFIED) FAN. THE NEW FAN HAS A DRAIN LINE THAT NEEDED TO BE INSTALLED. THIS IS WHERE THE PROB EXISTS. DURING INSTALLATION, I FOUND THE DRAWINGS IN THE ENGINEERING ORDER DIDN'T HAVE ANY COMPONENTS, IE, VALVES, DUCTS, HYD LINES, ELECTRICAL HARNESSES, PULLEYS, CABLES, ETC. SOME OF THE HARDWARE INSTALLATION COULD NOT BE INSTALLED BECAUSE COMPONENTS WERE IN THE WAY AND/OR HYD LINES WERE SIMPLY NOT THERE. ALSO, TO COMPLICATE MATTERS, THE NUMBERING OF LONGERONS IN THE ENGINEERING ORDER DID NOT COINCIDE WITH THE ACFT. I CONSULTED MY LEAD, THEN THE ENGINEER IN CHARGE. TOGETHER WE WORKED OUT A SOLUTION, WHICH MAINLY CONSISTED OF RENUMBERING THE LONGERONS IN THE ENGINEERING ORDER. I AM CONCERNED BECAUSE I COULD HAVE INSTALLED THE DRAIN LINE PER THE FIRST ENGINEERING ORDER. HOWEVER, I DON'T THINK THE CLAMPS WOULD BE IN THE CALLED OUT POS AND THE WATER FROM THE DRAIN WOULDN'T FLOW PROPERLY. IT'S OBVIOUS THE ENGINEER(S) NEVER LOOKED AT AN ACTUAL ACFT WHEN MAKING DRAWINGS/ENGINEERING ORDER.
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.