 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Mechanic realizes after a B767-300 had departed; that he replaced the left transponder with a transponder having a different number. Mechanic had transposed numbers; causing the error.
| Attributes | |
| ACN | 815765 |
| Time | |
| Date | 200804 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| ASRS Report | 815765 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | performance deficiency : installation performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Replaced left transponder part number xyz with transponder part number yxz. I transposed the Y and the X causing the error. I found the error after departure and reported it to line maintenance supervisor.
Original NASA ASRS Text
Title: MECHANIC REALIZES AFTER A B767-300 HAD DEPARTED; THAT HE REPLACED THE LEFT TRANSPONDER WITH A TRANSPONDER HAVING A DIFFERENT NUMBER. MECHANIC HAD TRANSPOSED NUMBERS; CAUSING THE ERROR.
Narrative: REPLACED L XPONDER PART NUMBER XYZ WITH XPONDER PART NUMBER YXZ. I TRANSPOSED THE Y AND THE X CAUSING THE ERROR. I FOUND THE ERROR AFTER DEP AND RPTED IT TO LINE MAINT SUPVR.
Data retrieved from NASA's ASRS site as of May 2009 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.