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A forward entry door slide just removed from a B737-300 aircraft accidentally inflated on the hangar floor. Alignment arrow on slide for safety pin installation was not completely aligned.
| Attributes | |
| ACN | 805634 |
| Time | |
| Date | 200809 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 805634 |
| Events | |
| Anomaly | maintenance problem : improper maintenance |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | performance deficiency : installation |
| Supplementary | |
| Problem Areas | Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
When changing a forward entry door slide; old slide inflated by accident. Old slide was removed from door container on hangar floor. Alignment arrow was not completely aligned to allow free safety pin inspection. As soon as allen key was inserted to align arrow and pressure was applied; slide inflated. Note: arrow was short of its mark and rotation -- for the key was away from inflate direction. Slide was in open area and aircraft was not damaged nor personnel injured.
Original NASA ASRS Text
Title: A FORWARD ENTRY DOOR SLIDE JUST REMOVED FROM A B737-300 ACFT ACCIDENTALLY INFLATED ON THE HANGAR FLOOR. ALIGNMENT ARROW ON SLIDE FOR SAFETY PIN INSTALLATION WAS NOT COMPLETELY ALIGNED.
Narrative: WHEN CHANGING A FORWARD ENTRY DOOR SLIDE; OLD SLIDE INFLATED BY ACCIDENT. OLD SLIDE WAS REMOVED FROM DOOR CONTAINER ON HANGAR FLOOR. ALIGNMENT ARROW WAS NOT COMPLETELY ALIGNED TO ALLOW FREE SAFETY PIN INSPECTION. AS SOON AS ALLEN KEY WAS INSERTED TO ALIGN ARROW AND PRESSURE WAS APPLIED; SLIDE INFLATED. NOTE: ARROW WAS SHORT OF ITS MARK AND ROTATION -- FOR THE KEY WAS AWAY FROM INFLATE DIRECTION. SLIDE WAS IN OPEN AREA AND ACFT WAS NOT DAMAGED NOR PERSONNEL INJURED.
Data retrieved from NASA's ASRS site as of May 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.