A line mechanic reports that he failed to properly install a forward entry door snubber on a B737-30...

Attributes
ACN	982567
Time
Date	201111
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Night
Aircraft 1
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	Parked
Flight Plan	IFR
Component
Aircraft Component	Exterior Pax/Crew Door
Person 1
Function	Technician
Qualification	Maintenance Airframe Maintenance Powerplant
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy

Narrative:

I was assigned to meet aircraft and performed a hot tire pressure check. Upon meeting the crew; they described to me about a mechanical issue with the forward entry door which closed rapidly with no snubbing action or no dampening. After I checked the door; the forward snubber was not operating as described in the aircraft maintenance manual's (amm) description and operation [section]. I performed the removal and installation procedure as described in the amm. I performed operational check of the snubber; the door operated normally and the door faired properly per amm. Upon reviewing the amm after installation instructions; I realized I misinterpreted the installation instructions.

Original NASA ASRS Text

Title: A Line Mechanic reports that he failed to properly install a forward entry door snubber on a B737-300 aircraft after misinterpreting the installation instructions in their Aircraft Maintenance Manual (AMM).

Narrative: I was assigned to meet aircraft and performed a hot tire pressure check. Upon meeting the crew; they described to me about a mechanical issue with the forward entry door which closed rapidly with no snubbing action or no dampening. After I checked the door; the forward snubber was not operating as described in the Aircraft Maintenance Manual's (AMM) Description and Operation [section]. I performed the removal and installation procedure as described in the AMM. I performed operational check of the snubber; the door operated normally and the door faired properly per AMM. Upon reviewing the AMM after installation instructions; I realized I misinterpreted the installation instructions.

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.

A line mechanic reports that he failed to properly install a forward entry door snubber on a B737-300 aircraft after misinterpreting the installation instructions in their aircraft maintenance manual (amm).