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Mechanic assisting for the first time in jacking procedures of a bombardier dhc-8-400 aircraft inadvertently installs the nose pad at the left main gear jack pad position. Notified one week later of aircraft damage.
| Attributes | |
| ACN | 782986 |
| Time | |
| Date | 200804 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Q400 (Formerly Dash 8-400) |
| Operating Under FAR Part | Part 121 |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 782986 |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : improper maintenance |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : briefing contributing factor : tooling performance deficiency : scheduled maintenance performance deficiency : non compliance with legal requirements performance deficiency : installation performance deficiency : training |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Company |
| Primary Problem | Ambiguous |
Narrative:
This was the first time I had jacked a Q-400 since coming to this airline and was unaware that the jack pads were different from one station to the next. I seated my jack and awaited ok for the nose to complete before I jacked my side. I do recall pushing the nose jack and the left main jack into position but I don't recall putting the jack pad in the nose. I did install the left main jack pad which; come to find out; was meant for the nose. I didn't find out until 1 week later that damage had occurred.
Original NASA ASRS Text
Title: MECHANIC ASSISTING FOR THE FIRST TIME IN JACKING PROCEDURES OF A BOMBARDIER DHC-8-400 ACFT INADVERTENTLY INSTALLS THE NOSE PAD AT THE LEFT MAIN GEAR JACK PAD POSITION. NOTIFIED ONE WEEK LATER OF ACFT DAMAGE.
Narrative: THIS WAS THE FIRST TIME I HAD JACKED A Q-400 SINCE COMING TO THIS AIRLINE AND WAS UNAWARE THAT THE JACK PADS WERE DIFFERENT FROM ONE STATION TO THE NEXT. I SEATED MY JACK AND AWAITED OK FOR THE NOSE TO COMPLETE BEFORE I JACKED MY SIDE. I DO RECALL PUSHING THE NOSE JACK AND THE L MAIN JACK INTO POS BUT I DON'T RECALL PUTTING THE JACK PAD IN THE NOSE. I DID INSTALL THE L MAIN JACK PAD WHICH; COME TO FIND OUT; WAS MEANT FOR THE NOSE. I DIDN'T FIND OUT UNTIL 1 WK LATER THAT DAMAGE HAD OCCURRED.
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.