Narrative:

Removed #1 IRU and took to terminal stores for matching replacement unit. Unit arrived at departure time. Installed IRU; unit failed installation test; placarded #1 IRU. Make sure replacement units conform to ipc. When terminal stock was given unit to match; delivered completely different part. Unit was replaced with correct part in ZZZ1 on jan/wed/06.

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Original NASA ASRS Text

Title: AN A300 WAS DISPATCHED WITH THE INCORRECT IRU INSTALLED. INSTALLED UNIT WAS DEFERRED PER THE MEL. STORES FAILED TO ORDER THE CORRECT UNIT.

Narrative: REMOVED #1 IRU AND TOOK TO TERMINAL STORES FOR MATCHING REPLACEMENT UNIT. UNIT ARRIVED AT DEP TIME. INSTALLED IRU; UNIT FAILED INSTALLATION TEST; PLACARDED #1 IRU. MAKE SURE REPLACEMENT UNITS CONFORM TO IPC. WHEN TERMINAL STOCK WAS GIVEN UNIT TO MATCH; DELIVERED COMPLETELY DIFFERENT PART. UNIT WAS REPLACED WITH CORRECT PART IN ZZZ1 ON JAN/WED/06.

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