Mechanic working a B737 aircraft replaced a fully worn #3 position (right main landing gear inboard) tire with a different model B737 not approved as a replacement tire.

Home

Browse by month

Random

Latest

About

Contact

Attributes
ACN	779924
Time
Date	200803
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
ASRS Report	779924
Events
Anomaly	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 performance deficiency : installation performance deficiency : inspection
Supplementary
Problem Areas	Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

On mar/xa/08; aircraft #3 tire fully worn. Unaware of difference between B737 XXX and B737 YYY; I installed XXX tire on YYY aircraft #3 tire assembly. Was replaced one afternoon in mar/08. I found out later that wrong tire was installed. The same day tire replaced with the correct one. I read maintenance bulletin on the differences. Not clear part identify.

Original NASA ASRS Text

Title: MECHANIC WORKING A B737 ACFT REPLACED A FULLY WORN #3 POSITION (RIGHT MAIN LNDG GEAR INBOARD) TIRE WITH A DIFFERENT MODEL B737 NOT APPROVED AS A REPLACEMENT TIRE.

Narrative: ON MAR/XA/08; ACFT #3 TIRE FULLY WORN. UNAWARE OF DIFFERENCE BTWN B737 XXX AND B737 YYY; I INSTALLED XXX TIRE ON YYY ACFT #3 TIRE ASSEMBLY. WAS REPLACED ONE AFTERNOON IN MAR/08. I FOUND OUT LATER THAT WRONG TIRE WAS INSTALLED. THE SAME DAY TIRE REPLACED WITH THE CORRECT ONE. I READ MAINT BULLETIN ON THE DIFFERENCES. NOT CLEAR PART IDENT.

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.