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|
Attributes | |
ACN | 496030 |
Time | |
Date | 200012 |
Day | Wed |
Local Time Of Day | 0601 To 1200 |
Place | |
Locale Reference | airport : zzz.airport |
State Reference | US |
Altitude | agl single value : 0 |
Environment | |
Light | Daylight |
Aircraft 1 | |
Controlling Facilities | tower : sbgr.tower |
Operator | common carrier : air carrier |
Make Model Name | Challenger CL601 |
Operating Under FAR Part | Part 91 |
Flight Phase | ground : maintenance ground : parked |
Flight Plan | IFR |
Person 1 | |
Affiliation | company : air carrier |
Function | maintenance : inspector |
Qualification | technician : powerplant technician : inspection authority technician : airframe |
Experience | maintenance lead technician : 5 maintenance technician : 21 |
ASRS Report | 496030 |
Person 2 | |
Affiliation | company : air carrier |
Function | oversight : supervisor |
Qualification | technician : airframe technician : powerplant |
Events | |
Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
Resolutory Action | none taken : detected after the fact |
Consequence | other other |
Factors | |
Maintenance | performance deficiency : testing performance deficiency : inspection performance deficiency : logbook entry performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance |
Supplementary | |
Problem Areas | Aircraft Maintenance Human Performance Environmental Factor Company |
Primary Problem | Maintenance Human Performance |
Situations | |
Publication | AIRWORTHINESS DIRECTIVE |
Narrative:
It was discovered during a routine inspection that the aircraft logbook contained a previous entry specifying that the visual inspection requirements of airworthiness directive zy-az-yz had been complied with at that time, but the non destructive testing inspections also called out were not. These non destructive testing inspections were listed as not due for another 94 lndgs. (400 lndgs is the recurrence inspection period.) aircraft tracking program (maintenance) is computer assisted maintenance program system. The visual inspections are listed under their own tracking codes but the non destructive testing is not. The work card had a concurrent signoff for the visual inspection, associated service bulletin and the airworthiness directive. It was intended to sign off the visual inspection only. During data entry, the codes for all 3 tasks were updated. Since the airworthiness was entered as completed, tracking through computer assisted maintenance program (primary maintenance tracking source) began. No one list, or projected maintenance sheets, showed the airworthiness directive as being partially complied with. Upon discovery of a possible overfly, immediate action was to complete non destructive testing inspections prior to further flight. An internal investigation through FBO inspection and computer assisted maintenance program compliance forms exist.
Original NASA ASRS Text
Title: A CL601 REQUIRED INSPECTION PER AN AIRWORTHINESS DIRECTIVE. IT WAS OVER FLOWN IN NON COMPLIANCE, DUE TO ERROR IN THE COMPUTER ASSISTED MAINT PROGRAM.
Narrative: IT WAS DISCOVERED DURING A ROUTINE INSPECTION THAT THE ACFT LOGBOOK CONTAINED A PREVIOUS ENTRY SPECIFYING THAT THE VISUAL INSPECTION REQUIREMENTS OF AIRWORTHINESS DIRECTIVE ZY-AZ-YZ HAD BEEN COMPLIED WITH AT THAT TIME, BUT THE NON DESTRUCTIVE TESTING INSPECTIONS ALSO CALLED OUT WERE NOT. THESE NON DESTRUCTIVE TESTING INSPECTIONS WERE LISTED AS NOT DUE FOR ANOTHER 94 LNDGS. (400 LNDGS IS THE RECURRENCE INSPECTION PERIOD.) ACFT TRACKING PROGRAM (MAINT) IS COMPUTER ASSISTED MAINT PROGRAM SYS. THE VISUAL INSPECTIONS ARE LISTED UNDER THEIR OWN TRACKING CODES BUT THE NON DESTRUCTIVE TESTING IS NOT. THE WORK CARD HAD A CONCURRENT SIGNOFF FOR THE VISUAL INSPECTION, ASSOCIATED SVC BULLETIN AND THE AIRWORTHINESS DIRECTIVE. IT WAS INTENDED TO SIGN OFF THE VISUAL INSPECTION ONLY. DURING DATA ENTRY, THE CODES FOR ALL 3 TASKS WERE UPDATED. SINCE THE AIRWORTHINESS WAS ENTERED AS COMPLETED, TRACKING THROUGH COMPUTER ASSISTED MAINT PROGRAM (PRIMARY MAINT TRACKING SOURCE) BEGAN. NO ONE LIST, OR PROJECTED MAINT SHEETS, SHOWED THE AIRWORTHINESS DIRECTIVE AS BEING PARTIALLY COMPLIED WITH. UPON DISCOVERY OF A POSSIBLE OVERFLY, IMMEDIATE ACTION WAS TO COMPLETE NON DESTRUCTIVE TESTING INSPECTIONS PRIOR TO FURTHER FLT. AN INTERNAL INVESTIGATION THROUGH FBO INSPECTION AND COMPUTER ASSISTED MAINT PROGRAM COMPLIANCE FORMS EXIST.
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.