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A300 technician reported he was tasked with deferring the high pressure valve for the number 1 engine. The wrong valve was locked out.
| Attributes | |
| ACN | 1412156 |
| Time | |
| Date | 201612 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pneumatic Valve/Bleed Valve |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Deviation - Procedural MEL |
Narrative:
Aircraft returned to our gate due to high pressure valve on #1 engine fault. Plane returned and there was a group of 5 mechanics that were working the turn back. We deferred the hp valve on number 1 engine and locked out the thrust reverser per the MEL. I went up and complied with the paperwork in the logbook to speed up the process. We ended up locking out the wrong valve.try to make the pictures in the MEL clearer on the location of components.
Original NASA ASRS Text
Title: A300 Technician reported he was tasked with deferring the high pressure valve for the Number 1 engine. The wrong valve was locked out.
Narrative: Aircraft returned to our gate due to high pressure valve on #1 engine fault. Plane returned and there was a group of 5 mechanics that were working the turn back. We deferred the HP valve on Number 1 engine and locked out the thrust reverser per the MEL. I went up and complied with the paperwork in the logbook to speed up the process. We ended up locking out the wrong valve.Try to make the pictures in the MEL clearer on the location of components.
Data retrieved from NASA's ASRS site 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.