Mechanic realizes one of his hand tools was missing after working on B737-500 that had departed. Mechanic requested the wheel well and trailing edge flap well be checked at downline station.

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Attributes
ACN	801718
Time
Date	200806
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737-500
Flight Phase	ground : maintenance
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
ASRS Report	801718
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure
Independent Detector	other other : 1
Resolutory Action	none taken : detected after the fact
Consequence	other
Factors
Maintenance	performance deficiency : non compliance with legal requirements
Supplementary
Problem Areas	Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

I discovered a missing hand tool after the aircraft left that I had in my possession during the shift. Have someone check the wheel well and flap well down the line; or at next overnight station.

Original NASA ASRS Text

Title: MECHANIC REALIZES ONE OF HIS HAND TOOLS WAS MISSING AFTER WORKING ON B737-500 THAT HAD DEPARTED. MECHANIC REQUESTED THE WHEEL WELL AND TRAILING EDGE FLAP WELL BE CHECKED AT DOWNLINE STATION.

Narrative: I DISCOVERED A MISSING HAND TOOL AFTER THE ACFT LEFT THAT I HAD IN MY POSSESSION DURING THE SHIFT. HAVE SOMEONE CHK THE WHEEL WELL AND FLAP WELL DOWN THE LINE; OR AT NEXT OVERNIGHT STATION.

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