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An airbus 319, prior to departure, technicians troubleshooting a vibration in the area of the left wing escape inadvertently deployed the slide.
| Attributes | |
| ACN | 453552 |
| Time | |
| Date | 199910 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Experience | maintenance technician : 13 |
| ASRS Report | 453552 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Qualification | technician : powerplant technician : airframe |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | aircraft equipment other aircraft equipment : escape slide indication other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : fault isolation performance deficiency : inspection performance deficiency : installation |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
During investigation of vibration in area of l-hand overwing escape hatch log write-up, the lead mechanic decided to check the hatch seals. When I was requested to open the hatch, I fell into a trap. Although I believed this aircraft had a slide, due to noise and approaching departure time, I opened the door as requested. The slide deployed as designed. This resulted in cancellation of the trip. If I had communicated my belief that the lead was incorrect in his belief there was no slide, and been more assertive about checking, this incident could have been prevented.
Original NASA ASRS Text
Title: AN AIRBUS 319, PRIOR TO DEP, TECHNICIANS TROUBLESHOOTING A VIBRATION IN THE AREA OF THE L WING ESCAPE INADVERTENTLY DEPLOYED THE SLIDE.
Narrative: DURING INVESTIGATION OF VIBRATION IN AREA OF L-HAND OVERWING ESCAPE HATCH LOG WRITE-UP, THE LEAD MECH DECIDED TO CHK THE HATCH SEALS. WHEN I WAS REQUESTED TO OPEN THE HATCH, I FELL INTO A TRAP. ALTHOUGH I BELIEVED THIS ACFT HAD A SLIDE, DUE TO NOISE AND APCHING DEP TIME, I OPENED THE DOOR AS REQUESTED. THE SLIDE DEPLOYED AS DESIGNED. THIS RESULTED IN CANCELLATION OF THE TRIP. IF I HAD COMMUNICATED MY BELIEF THAT THE LEAD WAS INCORRECT IN HIS BELIEF THERE WAS NO SLIDE, AND BEEN MORE ASSERTIVE ABOUT CHKING, THIS INCIDENT COULD HAVE BEEN PREVENTED.
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.