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A lead technician reports 3 piper aerostar 600 aircraft were inadvertently operated in non compliance of an airworthiness directive.
| Attributes | |
| ACN | 568306 |
| Time | |
| Date | 200212 |
| Day | Tue |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air taxi |
| Make Model Name | PA-60 600 Aerostar |
| Operating Under FAR Part | Part 135 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | maintenance : technician |
| Qualification | technician : inspection authority technician : powerplant technician : airframe |
| Experience | maintenance lead technician : 12 |
| ASRS Report | 568306 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | other personnel other |
| Events | |
| Anomaly | maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far non adherence : published procedure |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other Other |
| Factors | |
| Maintenance | performance deficiency : installation performance deficiency : non compliance with legal requirements performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
During a normal event inspection on piper aerostar while reviewing the airworthiness directive list on the aircraft, it was determined that airworthiness directive 2002-23-06 was originally misinterped on the applicability to our aircraft engines. Upon discovering the error, all affected aircraft were grounded and corrective actions were initiated which included notifying mr X at the ZZZ FSDO. We have 4 aircraft that were affected by this airworthiness directive. Our records indicate that we operated 3 aircraft in non compliance of this airworthiness directive. Other aircraft was not flown in non compliance of this airworthiness directive. To avoid future misinterp, the director of maintenance and at least 1 additional employee will review all new airworthiness directives to determine the applicability to our aircraft, engines, propellers, or appliances.
Original NASA ASRS Text
Title: A LEAD TECHNICIAN RPTS 3 PIPER AEROSTAR 600 ACFT WERE INADVERTENTLY OPERATED IN NON COMPLIANCE OF AN AIRWORTHINESS DIRECTIVE.
Narrative: DURING A NORMAL EVENT INSPECTION ON PIPER AEROSTAR WHILE REVIEWING THE AIRWORTHINESS DIRECTIVE LIST ON THE ACFT, IT WAS DETERMINED THAT AIRWORTHINESS DIRECTIVE 2002-23-06 WAS ORIGINALLY MISINTERPED ON THE APPLICABILITY TO OUR ACFT ENGS. UPON DISCOVERING THE ERROR, ALL AFFECTED ACFT WERE GNDED AND CORRECTIVE ACTIONS WERE INITIATED WHICH INCLUDED NOTIFYING MR X AT THE ZZZ FSDO. WE HAVE 4 ACFT THAT WERE AFFECTED BY THIS AIRWORTHINESS DIRECTIVE. OUR RECORDS INDICATE THAT WE OPERATED 3 ACFT IN NON COMPLIANCE OF THIS AIRWORTHINESS DIRECTIVE. OTHER ACFT WAS NOT FLOWN IN NON COMPLIANCE OF THIS AIRWORTHINESS DIRECTIVE. TO AVOID FUTURE MISINTERP, THE DIRECTOR OF MAINT AND AT LEAST 1 ADDITIONAL EMPLOYEE WILL REVIEW ALL NEW AIRWORTHINESS DIRECTIVES TO DETERMINE THE APPLICABILITY TO OUR ACFT, ENGS, PROPS, OR APPLIANCES.
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.