<< >> NASA ASRS Report 1577311, September 2018

B737 maintenance crew reported that the emergency door slides were inadvertently installed on the incorrect door.

Attributes
ACN	1577311
Time
Date	201809
Local Time Of Day	0001-0600
Aircraft 1
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	Parked
Component
Aircraft Component	Escape Slide
Person 1
Function	Technician
Person 2
Function	Technician
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy

Narrative:

Slide assemblies were removed and placed on jetway floor. At the same time; 5 cleaners showed up to clean the aircraft; and positions may have been disturbed by their traffic. Assemblies were inadvertently re-installed/swapped into wrong positions. Perhaps initiate protocol to prevent cleaners from accessing aircraft while maintenance is being performed (or require them to ask our permission for entry) in cabin/galley areas. Also; perhaps include a sign-off requiring visual confirmation of slide case-to-correct door orientation.

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Original NASA ASRS Text

Title: B737 Maintenance crew reported that the Emergency Door Slides were inadvertently installed on the incorrect door.

Narrative: Slide assemblies were removed and placed on jetway floor. At the same time; 5 cleaners showed up to clean the aircraft; and positions may have been disturbed by their traffic. Assemblies were inadvertently re-installed/swapped into wrong positions. Perhaps initiate protocol to prevent cleaners from accessing aircraft while maintenance is being performed (or require them to ask our permission for entry) in cabin/galley areas. Also; perhaps include a sign-off requiring visual confirmation of slide case-to-correct door orientation.

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.