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A DC9-30 was dispatched in non compliance with the incorrect APU ignition system exciter box installed.
| Attributes | |
| ACN | 454697 |
| Time | |
| Date | 199911 |
| Day | Tue |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Dawn |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 30 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Experience | maintenance technician : 14 |
| ASRS Report | 454697 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Qualification | technician : airframe technician : powerplant |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : installation performance deficiency : repair |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft Company |
| Primary Problem | Maintenance Human Performance |
Narrative:
While troubleshooting the APU on a DC9 aircraft, I inadvertently installed the wrong part effective for that aircraft due to local practice of using quick reference books and time constraints. I asked the lead to pull a part and didn't use the parts catalog to verify the exciter box part number. I realized my mistake upon following up on the aircraft a couple of days later. I contacted our planning department to open an item to have the proper part installed.
Original NASA ASRS Text
Title: A DC9-30 WAS DISPATCHED IN NON COMPLIANCE WITH THE INCORRECT APU IGNITION SYS EXCITER BOX INSTALLED.
Narrative: WHILE TROUBLESHOOTING THE APU ON A DC9 ACFT, I INADVERTENTLY INSTALLED THE WRONG PART EFFECTIVE FOR THAT ACFT DUE TO LCL PRACTICE OF USING QUICK REF BOOKS AND TIME CONSTRAINTS. I ASKED THE LEAD TO PULL A PART AND DIDN'T USE THE PARTS CATALOG TO VERIFY THE EXCITER BOX PART NUMBER. I REALIZED MY MISTAKE UPON FOLLOWING UP ON THE ACFT A COUPLE OF DAYS LATER. I CONTACTED OUR PLANNING DEPT TO OPEN AN ITEM TO HAVE THE PROPER PART INSTALLED.
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.