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A B737-400 on walkaround check after a diversion; found a piece of sheet metal was missing and a piece of sheet metal was loose in the wheel well. Airplane 5 days out of a heavy check.
| Attributes | |
| ACN | 717471 |
| Time | |
| Date | 200611 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground other : shutdown |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 200 flight time type : 8000 |
| ASRS Report | 717471 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : far |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : installation performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance Chart Or Publication |
| Primary Problem | Maintenance Human Performance |
Narrative:
This aircraft has a piece of metal missing and a piece of metal that was supposed to be secured by screws free in the wheel well. Seems that this was missed when possible 5 days before the aircraft went through a c-chk. Callback conversation with reporter revealed the following information: during a walkaround check after a diversion 2; pieces of sheet metal; both about a foot long; were discovered in the main gear well laying on gear components. They were laying in a place that could not be discovered in a normal walkaround check. The sheet metal pieces were not idented but maintenance removed the parts. The airplane was out of a heavy check 5 days.
Original NASA ASRS Text
Title: A B737-400 ON WALKAROUND CHK AFTER A DIVERSION; FOUND A PIECE OF SHEET METAL WAS MISSING AND A PIECE OF SHEET METAL WAS LOOSE IN THE WHEEL WELL. AIRPLANE 5 DAYS OUT OF A HVY CHK.
Narrative: THIS ACFT HAS A PIECE OF METAL MISSING AND A PIECE OF METAL THAT WAS SUPPOSED TO BE SECURED BY SCREWS FREE IN THE WHEEL WELL. SEEMS THAT THIS WAS MISSED WHEN POSSIBLE 5 DAYS BEFORE THE ACFT WENT THROUGH A C-CHK. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: DURING A WALKAROUND CHK AFTER A DIVERSION 2; PIECES OF SHEET METAL; BOTH ABOUT A FOOT LONG; WERE DISCOVERED IN THE MAIN GEAR WELL LAYING ON GEAR COMPONENTS. THEY WERE LAYING IN A PLACE THAT COULD NOT BE DISCOVERED IN A NORMAL WALKAROUND CHK. THE SHEET METAL PIECES WERE NOT IDENTED BUT MAINT REMOVED THE PARTS. THE AIRPLANE WAS OUT OF A HVY CHK 5 DAYS.
Data retrieved from NASA's ASRS site as of January 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.