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A piper PA23 was signed off as being airworthy but in fact had an airworthiness directive that was not accomplished.
| Attributes | |
| ACN | 542093 |
| Time | |
| Date | 200203 |
| Day | Mon |
| 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 | |
| Operator | general aviation : personal |
| Make Model Name | PA-23-250 Aztec |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Function | maintenance : inspector maintenance : technician |
| Qualification | technician : airframe technician : powerplant technician : inspection authority |
| Experience | maintenance lead technician : 3 maintenance technician : 8 |
| ASRS Report | 542093 |
| Person 2 | |
| Affiliation | other |
| Function | other personnel other |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : far |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : engineering procedure performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | FAA Maintenance Human Performance Chart Or Publication Aircraft |
| Primary Problem | Chart Or Publication |
| Situations | |
| Publication | CONFUSING AIRWORTHINESS DIRECTIVE |
Narrative:
On mar/mon/02, I discovered that airworthiness directive 96-09-10 on both engines on aircraft X had not been complied with. I had signed the aircraft off as being airworthy on mar/fri/02. At that time, we contacted the owner that the aircraft was not airworthy and that the airworthiness directive needed to be complied with. In the last copy of the airworthiness directive compliance record (dated nov/wed/00), the airworthiness directives were noted as being complied with by airworthiness directive 81-18-04 at O/H. See work order xxxxx by mr X a&P/ia. After talking to the engine over hauler, we discovered that the parts installed in these engines needed to be replaced to comply with airworthiness directive 96-09-10. The owner of the aircraft talked to mr X and he told him that his local FSDO had interpreted the airworthiness directive and decided that it did not apply to these engines. After we informed mr X of our findings, he agreed that the airworthiness directive needed to be complied with. On mar/tue/02, we removed the engines from the aircraft and removed the oil pump assemblies. The gear in the oil pumps were aluminum. We replaced the affected parts and are at this time reassembling the engines. When we finished with this repair, I will return this aircraft back to service.
Original NASA ASRS Text
Title: A PIPER PA23 WAS SIGNED OFF AS BEING AIRWORTHY BUT IN FACT HAD AN AIRWORTHINESS DIRECTIVE THAT WAS NOT ACCOMPLISHED.
Narrative: ON MAR/MON/02, I DISCOVERED THAT AIRWORTHINESS DIRECTIVE 96-09-10 ON BOTH ENGS ON ACFT X HAD NOT BEEN COMPLIED WITH. I HAD SIGNED THE ACFT OFF AS BEING AIRWORTHY ON MAR/FRI/02. AT THAT TIME, WE CONTACTED THE OWNER THAT THE ACFT WAS NOT AIRWORTHY AND THAT THE AIRWORTHINESS DIRECTIVE NEEDED TO BE COMPLIED WITH. IN THE LAST COPY OF THE AIRWORTHINESS DIRECTIVE COMPLIANCE RECORD (DATED NOV/WED/00), THE AIRWORTHINESS DIRECTIVES WERE NOTED AS BEING COMPLIED WITH BY AIRWORTHINESS DIRECTIVE 81-18-04 AT O/H. SEE WORK ORDER XXXXX BY MR X A&P/IA. AFTER TALKING TO THE ENG OVER HAULER, WE DISCOVERED THAT THE PARTS INSTALLED IN THESE ENGS NEEDED TO BE REPLACED TO COMPLY WITH AIRWORTHINESS DIRECTIVE 96-09-10. THE OWNER OF THE ACFT TALKED TO MR X AND HE TOLD HIM THAT HIS LCL FSDO HAD INTERPED THE AIRWORTHINESS DIRECTIVE AND DECIDED THAT IT DID NOT APPLY TO THESE ENGS. AFTER WE INFORMED MR X OF OUR FINDINGS, HE AGREED THAT THE AIRWORTHINESS DIRECTIVE NEEDED TO BE COMPLIED WITH. ON MAR/TUE/02, WE REMOVED THE ENGS FROM THE ACFT AND REMOVED THE OIL PUMP ASSEMBLIES. THE GEAR IN THE OIL PUMPS WERE ALUMINUM. WE REPLACED THE AFFECTED PARTS AND ARE AT THIS TIME REASSEMBLING THE ENGS. WHEN WE FINISHED WITH THIS REPAIR, I WILL RETURN THIS ACFT BACK TO SVC.
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.