A mechanic reports he replaced the left outboard main tire on a crj-200; but forgot to re-install th...

Attributes
ACN	837756
Time
Date	200906
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Night
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Parked
Flight Plan	IFR
Component
Aircraft Component	Main Gear Wheel
Person 1
Function	Technician
Qualification	Maintenance Airframe Maintenance Powerplant
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy

Narrative:

Crew called out a worn tire on a crj-200 aircraft. During installation phase of tire replacement; forgot to install spacer on left outboard main tire. Plane went on to fly one leg and stayed overnight at a non-maintenance outstation. Detected fault in morning and immediately contacted supervisor and maintenance control. Maintenance control advised that the plane was scheduled on a flight; on first flight of the day. Advised line maintenance crew to install missing spacer on left outboard main tire when aircraft arrived. More concentration on task at hand to prevent memory lapses.

Original NASA ASRS Text

Title: A Mechanic reports he replaced the left outboard main tire on a CRJ-200; but forgot to re-install the axle nut washer. Aircraft had already departed; when he noticed the washer stuck to wheel bearing of the worn tire he had removed.

Narrative: Crew called out a worn tire on a CRJ-200 aircraft. During installation phase of tire replacement; forgot to install spacer on left outboard main tire. Plane went on to fly one leg and stayed overnight at a non-maintenance outstation. Detected fault in morning and immediately contacted Supervisor and Maintenance Control. Maintenance Control advised that the plane was scheduled on a flight; on first flight of the day. Advised Line Maintenance crew to install missing spacer on left outboard main tire when aircraft arrived. More concentration on task at hand to prevent memory lapses.

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 mechanic reports he replaced the left outboard main tire on a crj-200; but forgot to re-install the axle nut washer. Aircraft had already departed; when he noticed the washer stuck to wheel bearing of the worn tire he had removed.