<< >> NASA ASRS Report 888656, May 2010

A lead line mechanic and a line mechanic were informed they had improperly installed a right-hand elevator feel pitot probe hose. The elbow fitting for the pitot hose connection was found pointed down; while the maintenance manual calls for the fitting to be pointed up.

Attributes
ACN	888656
Time
Date	201005
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	B737-800
Operating Under FAR Part	Part 121
Flight Phase	Parked
Component
Aircraft Component	Elevator Feel System
Person 1
Function	Lead Technician
Qualification	Maintenance Powerplant Maintenance Airframe
Person 2
Function	Technician
Qualification	Maintenance Powerplant Maintenance Airframe
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy

Narrative:

I was informed that a B737-800 aircraft had an improper installation of the right elevator feel pitot probe hose. Prior to installation of the probe and the mounting plate we held the assembly in our hands. The hose was pointed up; which was the way the hose was to be routed. Then the probe and plate were turned up and installed; which caused the hose to be turned down. Better maintenance manual drawing to state that the drawing is shown with the panel installed and is looking outward.

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Original NASA ASRS Text

Title: A Lead Line Mechanic and a Line Mechanic were informed they had improperly installed a right-hand elevator feel pitot probe hose. The elbow fitting for the pitot hose connection was found pointed down; while the maintenance manual calls for the fitting to be pointed up.

Narrative: I was informed that a B737-800 aircraft had an improper installation of the right elevator feel pitot probe hose. Prior to installation of the probe and the mounting plate we held the assembly in our hands. The hose was pointed up; which was the way the hose was to be routed. Then the probe and plate were turned up and installed; which caused the hose to be turned down. Better maintenance manual drawing to state that the drawing is shown with the panel installed and is looking outward.

Data retrieved from NASA's ASRS site as of April 2012 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.