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A landing gear shop manager reports a system engineer permitting forced cooling on 2 MD80 main gear pistons after heat treating.
| Attributes | |
| ACN | 596068 |
| Time | |
| Date | 200310 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| ASRS Report | 596068 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : engineering procedure performance deficiency : non compliance with legal requirements performance deficiency : repair performance deficiency : testing performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Chart Or Publication Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
After part had been baked, engineer had a fan on both landing gear, force cooling them. We have always been warned not to force cool parts. These parts are baked at 380 degrees F.
Original NASA ASRS Text
Title: A LNDG GEAR SHOP MGR RPTS A SYS ENGINEER PERMITTING FORCED COOLING ON 2 MD80 MAIN GEAR PISTONS AFTER HEAT TREATING.
Narrative: AFTER PART HAD BEEN BAKED, ENGINEER HAD A FAN ON BOTH LNDG GEAR, FORCE COOLING THEM. WE HAVE ALWAYS BEEN WARNED NOT TO FORCE COOL PARTS. THESE PARTS ARE BAKED AT 380 DEGS F.
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.