A B737 had all entrance door emergency escape slides removed for cleaning and lubing. Slides reinstalled but wrong covers installed. Found on preflight check.

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Attributes
ACN	717869
Time
Date	200611
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
ASRS Report	717869
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Events
Anomaly	maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure
Independent Detector	other other : 3
Resolutory Action	none taken : detected after the fact
Consequence	other other
Factors
Maintenance	performance deficiency : scheduled maintenance performance deficiency : inspection performance deficiency : logbook entry performance deficiency : non compliance with legal requirements performance deficiency : testing performance deficiency : installation
Supplementary
Problem Areas	Environmental Factor Aircraft Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

We removed all 4 slides for cleaning and lubing; we marked the cases; when we put the slides back in the plane. The slides were installed with the wrong covers and installed on the plane.

Original NASA ASRS Text

Title: A B737 HAD ALL ENTRANCE DOOR EMER ESCAPE SLIDES REMOVED FOR CLEANING AND LUBING. SLIDES REINSTALLED BUT WRONG COVERS INSTALLED. FOUND ON PREFLT CHK.

Narrative: WE REMOVED ALL 4 SLIDES FOR CLEANING AND LUBING; WE MARKED THE CASES; WHEN WE PUT THE SLIDES BACK IN THE PLANE. THE SLIDES WERE INSTALLED WITH THE WRONG COVERS AND INSTALLED ON THE PLANE.

Data retrieved from NASA's ASRS site as of January 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.