An incorrect part is installed on a B757 when an error is made in reading the part number.

Attributes
ACN	527660
Time
Date	200110
Day	Mon
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Controlling Facilities	tower : mmun.tower
Operator	common carrier : air carrier
Make Model Name	B757-200
Person 1
Affiliation	company : air carrier
Qualification	technician : powerplant technician : airframe
Experience	maintenance technician : 8
ASRS Report	527660
Events
Anomaly	aircraft equipment problem : less severe maintenance problem : improper maintenance non adherence : far non adherence : published procedure
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Replaced captain's flood light control unit with wrong part. The control unit part number was off by one number.

Original NASA ASRS Text

Title: AN INCORRECT PART IS INSTALLED ON A B757 WHEN AN ERROR IS MADE IN READING THE PART NUMBER.

Narrative: REPLACED CAPT'S FLOOD LIGHT CONTROL UNIT WITH WRONG PART. THE CONTROL UNIT PART NUMBER WAS OFF BY ONE NUMBER.

Data retrieved from NASA's ASRS site as of July 2007 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.