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A maintenance inspector reports that as he was working an airworthiness directive (ad) engineering order (eo) to verify removal of the lavatory oxygen (O2) generator cannister on a emb-135 aircraft; he failed to notice that a required repositioning of the O2 placard to the inside of the O2 compartment had not been accomplished.
| Attributes | |
| ACN | 934895 |
| Time | |
| Date | 201102 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 135 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Oxygen System/Pax |
| Person 1 | |
| Function | Inspector Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy |
Narrative:
While working engineering order (east/O); I was asked to [perform] rii (required inspection item) step #5 (note and record of removed O2 generator). Then I was asked by mechanic X about steps #6 and #7 for the serviceability of the O2 generator and masks. I told him 'nothing here [O2 generator and masks] can go to stores as serviceable; so tag every thing [as not serviceable].' he did. Then mechanic X asked me to look as the label (placard) installation in step #8. I remember looking/ seeing it; but I don't recall if it was installed on the inside or outside [of O2 compartment]. As it turned-out it was installed on the outside.I was more concerned about steps #6 and #7 (which aren't even rii) than the task at hand. The statement 'return to stores as serviceable'; one item being hazardous material and the other with a shelf life; didn't set well. I was focused on the wrong thing. I screwed up. For myself; to remain focused on the task at hand; no matter what else is going on around me. An engineering order (eo) airworthiness directive (ad) was written and issued to ensure the label (placard) is installed in the proper location.
Original NASA ASRS Text
Title: A Maintenance Inspector reports that as he was working an Airworthiness Directive (AD) Engineering Order (EO) to verify removal of the lavatory Oxygen (O2) Generator cannister on a EMB-135 aircraft; he failed to notice that a required repositioning of the O2 Placard to the inside of the O2 compartment had not been accomplished.
Narrative: While working Engineering Order (E/O); I was asked to [perform] RII (Required Inspection Item) Step #5 (Note and Record of removed O2 Generator). Then I was asked by Mechanic X about Steps #6 and #7 for the Serviceability of the O2 Generator and Masks. I told him 'nothing here [O2 Generator and Masks] can go to Stores as serviceable; so tag every thing [as Not Serviceable].' He did. Then Mechanic X asked me to look as the Label (Placard) installation in Step #8. I remember looking/ seeing it; but I don't recall if it was installed on the inside or outside [of O2 compartment]. As it turned-out it was installed on the outside.I was more concerned about Steps #6 and #7 (which aren't even RII) than the task at hand. The statement 'return to Stores as serviceable'; one item being hazardous material and the other with a shelf life; didn't set well. I was focused on the wrong thing. I screwed up. For myself; to remain focused on the task at hand; no matter what else is going on around me. An Engineering Order (EO) Airworthiness Directive (AD) was written and issued to ensure the label (placard) is installed in the proper location.
Data retrieved from NASA's ASRS site as of April 2012 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.