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A commercial fixed wing large transport in climb at 6000 ft diverted due to a cargo door warning light caused by a failed door lock sensor.
| Attributes | |
| ACN | 416561 |
| Time | |
| Date | 199810 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : bsl |
| State Reference | FO |
| Altitude | msl bound lower : 6000 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : bsl |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial climbout : intermediate altitude other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 100 flight time total : 7500 flight time type : 1300 |
| ASRS Report | 416561 |
| 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 | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
During climb out, the flight engineer noticed the cargo door light was illuminated, indicating that the cargo door was not closed and locked. The flight engineer checked the cargo door light located at the L1 door. It was also illuminated in concurrence with the cargo door light at the flight engineer panel. We notified basle, switzerland, tower that we needed to return to the airport immediately. Clearance was granted and we returned visually and landed on runway 16. During the taxi checklist and flight engineer and captain are to verify 'door warning lights, checked and out.' this was accomplished and both of my fellow crew members recalled that the door warning lights were out prior to takeoff. After landing, the cargo door discrepancy was entered in the aircraft logbook. A certified mechanic inspected the cargo door and found the door to be functioning properly.
Original NASA ASRS Text
Title: A COMMERCIAL FIXED WING LGT IN CLB AT 6000 FT DIVERTED DUE TO A CARGO DOOR WARNING LIGHT CAUSED BY A FAILED DOOR LOCK SENSOR.
Narrative: DURING CLBOUT, THE FE NOTICED THE CARGO DOOR LIGHT WAS ILLUMINATED, INDICATING THAT THE CARGO DOOR WAS NOT CLOSED AND LOCKED. THE FE CHKED THE CARGO DOOR LIGHT LOCATED AT THE L1 DOOR. IT WAS ALSO ILLUMINATED IN CONCURRENCE WITH THE CARGO DOOR LIGHT AT THE FE PANEL. WE NOTIFIED BASLE, SWITZERLAND, TWR THAT WE NEEDED TO RETURN TO THE ARPT IMMEDIATELY. CLRNC WAS GRANTED AND WE RETURNED VISUALLY AND LANDED ON RWY 16. DURING THE TAXI CHKLIST AND FE AND CAPT ARE TO VERIFY 'DOOR WARNING LIGHTS, CHKED AND OUT.' THIS WAS ACCOMPLISHED AND BOTH OF MY FELLOW CREW MEMBERS RECALLED THAT THE DOOR WARNING LIGHTS WERE OUT PRIOR TO TKOF. AFTER LNDG, THE CARGO DOOR DISCREPANCY WAS ENTERED IN THE ACFT LOGBOOK. A CERTIFIED MECH INSPECTED THE CARGO DOOR AND FOUND THE DOOR TO BE FUNCTIONING PROPERLY.
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.