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Air carrier mechanic reports leaving 'FOD' in the gear up lock during maintenance of an mdt resulting in the flight crew return land due to the left landing gear not locking in the up position.
| Attributes | |
| ACN | 315772 |
| Time | |
| Date | 199509 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sby |
| State Reference | MD |
| Altitude | agl bound lower : 50 agl bound upper : 1000 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Dash 8 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude climbout : takeoff landing other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 315772 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
While doing maintenance on a dehavilland dash-8 some bubble wrap packing material was wrapped around the main landing gear uplock hook to prevent maintenance personnel from injuring themselves. After maintenance was completed the aircraft was run- up, and leak checked for maintenance that had been done. The aircraft was released for flight. The flight crew did their preflight and passenger were boarded. The aircraft took off. After climb out the gear selector was selected up. The nose gear and #2 main retracted and locked in the up position. The #1 main gear retracted but would not give an up and locked indication. The landing gear was cycled 2 more times. At that time it was noted that there was a problem. The aircraft contacted maintenance control and returned to the base airport. Upon landing maintenance personnel met the aircraft and looked into the problem. The bubble wrap was detected and removed, the aircraft was returned to service and flew uneventful for 8 flts. The landing gear works as required.
Original NASA ASRS Text
Title: ACR MECH RPTS LEAVING 'FOD' IN THE GEAR UP LOCK DURING MAINT OF AN MDT RESULTING IN THE FLC RETURN LAND DUE TO THE L LNDG GEAR NOT LOCKING IN THE UP POS.
Narrative: WHILE DOING MAINT ON A DEHAVILLAND DASH-8 SOME BUBBLE WRAP PACKING MATERIAL WAS WRAPPED AROUND THE MAIN LNDG GEAR UPLOCK HOOK TO PREVENT MAINT PERSONNEL FROM INJURING THEMSELVES. AFTER MAINT WAS COMPLETED THE ACFT WAS RUN- UP, AND LEAK CHKED FOR MAINT THAT HAD BEEN DONE. THE ACFT WAS RELEASED FOR FLT. THE FLC DID THEIR PREFLT AND PAX WERE BOARDED. THE ACFT TOOK OFF. AFTER CLBOUT THE GEAR SELECTOR WAS SELECTED UP. THE NOSE GEAR AND #2 MAIN RETRACTED AND LOCKED IN THE UP POS. THE #1 MAIN GEAR RETRACTED BUT WOULD NOT GIVE AN UP AND LOCKED INDICATION. THE LNDG GEAR WAS CYCLED 2 MORE TIMES. AT THAT TIME IT WAS NOTED THAT THERE WAS A PROB. THE ACFT CONTACTED MAINT CTL AND RETURNED TO THE BASE ARPT. UPON LNDG MAINT PERSONNEL MET THE ACFT AND LOOKED INTO THE PROB. THE BUBBLE WRAP WAS DETECTED AND REMOVED, THE ACFT WAS RETURNED TO SVC AND FLEW UNEVENTFUL FOR 8 FLTS. THE LNDG GEAR WORKS AS REQUIRED.
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.