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Air carrier first officer reported door L1 ajar on 747-400 boeing converted freighter prior to departure.
| Attributes | |
| ACN | 1766495 |
| Time | |
| Date | 202010 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy |
Narrative:
Before departure I randomly decided to look at the L1 door. I noticed that there was daylight coming from the aft vertical part of the door. I walked down from the upper deck to inspect the status of the door and noticed that the daylight was a 2-3 inch gap. The door handle was in the down and locked position and the forward part of the door was latched. Being that we were in a bcf (boeing converted freighter); we had no way of knowing that the door was not secure because the bcf had no doors synoptic. I informed the captain and he came down to inspect the door right about the time the ground crew personnel noticed the door was ajar. The door was then closed properly and we went on our way. The safety concern that we had as a crew was that we had no checklists or instructions to verify the L1 door was closed on the bcf; and without a doors synoptic page; we wouldn't of known it was still ajar. [Recommend incorporating] a check before departure from the crew to verify the L1 door is closed on bcfs that do not have door synoptic pages.
Original NASA ASRS Text
Title: Air Carrier First Officer reported door L1 ajar on 747-400 Boeing Converted Freighter prior to departure.
Narrative: Before departure I randomly decided to look at the L1 door. I noticed that there was daylight coming from the aft vertical part of the door. I walked down from the upper deck to inspect the status of the door and noticed that the daylight was a 2-3 inch gap. The door handle was in the down and locked position and the forward part of the door was latched. Being that we were in a BCF (Boeing Converted Freighter); we had no way of knowing that the door was not secure because the BCF had no doors synoptic. I informed the Captain and he came down to inspect the door right about the time the ground crew personnel noticed the door was ajar. The door was then closed properly and we went on our way. The safety concern that we had as a crew was that we had no checklists or instructions to verify the L1 door was closed on the BCF; and without a doors synoptic page; we wouldn't of known it was still ajar. [Recommend incorporating] a check before departure from the crew to verify the L1 door is closed on BCFs that do not have door synoptic pages.
Data retrieved from NASA's ASRS site 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.