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A B767 was dispatched in non compliance with an air driven hydraulic pump incorrectly deferred and not properly placarded per the MEL.
| Attributes | |
| ACN | 556853 |
| Time | |
| Date | 200207 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | oversight : supervisor |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 556853 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | aircraft equipment other aircraft equipment : air driven pump indication other other : person 2 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Chart Or Publication Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Air driven hydraulic pump was placarded under MEL 29-3 which also requires me to placard hmg (hydraulic motor generator) as inoperative per MEL 24-13. I made an error in noticing this requirement. Aircraft flew 1 leg on flight abc under the above condition.
Original NASA ASRS Text
Title: A B767 WAS DISPATCHED IN NON COMPLIANCE WITH AN AIR DRIVEN HYD PUMP INCORRECTLY DEFERRED AND NOT PROPERLY PLACARDED PER THE MEL.
Narrative: AIR DRIVEN HYD PUMP WAS PLACARDED UNDER MEL 29-3 WHICH ALSO REQUIRES ME TO PLACARD HMG (HYD MOTOR GENERATOR) AS INOP PER MEL 24-13. I MADE AN ERROR IN NOTICING THIS REQUIREMENT. ACFT FLEW 1 LEG ON FLT ABC UNDER THE ABOVE CONDITION.
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.