Narrative:

On dec/xa/00 at approximately XA45, air carrier aircraft xyz called in with a problem on the captain's ADI. I arrived at the aircraft and found he had 2 problems: 1) a problem with captain's ADI GS indication, 2) a problem with captain's HSI localizer flag. I accomplished some troubleshooting and found the captain's ADI was not faulty, determined the problem to be associated with the navigation receiver. At this time, there were 2 technicians working on the aircraft -- myself and my lead. The navigation receiver was ordered from line stock. The navigation receiver was picked up from line stores and brought to the aircraft at this time. I removed and replaced the #1 navigation receiver with a svcable unit. The unit was secured and the access compartment was closed. I proceeded to the cockpit and accomplished all applicable steps of the avionics job card with reference to the #1 navigation system including HSI and ADI tests. All tests completed and passed. I still had a navigation/localizer flag in the captain's HSI. I was not concerned with this because there was some previous history with this and it was MEL'able. I completed the paperwork on the navigation receiver installation and test. Placed captain's localizer function of the HSI on the MEL and released the aircraft. The next day, I learned that the wrong navigation receiver had been installed. Company part #xyxx aircraft confign required xyxu. During installation and test, I had no indication that this was the incorrect part.

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Original NASA ASRS Text

Title: AN MD80 WAS DISPATCHED IN NON COMPLIANCE WITH THE INCORRECT #1 NAV RECEIVER INSTALLED.

Narrative: ON DEC/XA/00 AT APPROX XA45, ACR ACFT XYZ CALLED IN WITH A PROB ON THE CAPT'S ADI. I ARRIVED AT THE ACFT AND FOUND HE HAD 2 PROBS: 1) A PROB WITH CAPT'S ADI GS INDICATION, 2) A PROB WITH CAPT'S HSI LOC FLAG. I ACCOMPLISHED SOME TROUBLESHOOTING AND FOUND THE CAPT'S ADI WAS NOT FAULTY, DETERMINED THE PROB TO BE ASSOCIATED WITH THE NAV RECEIVER. AT THIS TIME, THERE WERE 2 TECHNICIANS WORKING ON THE ACFT -- MYSELF AND MY LEAD. THE NAV RECEIVER WAS ORDERED FROM LINE STOCK. THE NAV RECEIVER WAS PICKED UP FROM LINE STORES AND BROUGHT TO THE ACFT AT THIS TIME. I REMOVED AND REPLACED THE #1 NAV RECEIVER WITH A SVCABLE UNIT. THE UNIT WAS SECURED AND THE ACCESS COMPARTMENT WAS CLOSED. I PROCEEDED TO THE COCKPIT AND ACCOMPLISHED ALL APPLICABLE STEPS OF THE AVIONICS JOB CARD WITH REF TO THE #1 NAV SYS INCLUDING HSI AND ADI TESTS. ALL TESTS COMPLETED AND PASSED. I STILL HAD A NAV/LOC FLAG IN THE CAPT'S HSI. I WAS NOT CONCERNED WITH THIS BECAUSE THERE WAS SOME PREVIOUS HISTORY WITH THIS AND IT WAS MEL'ABLE. I COMPLETED THE PAPERWORK ON THE NAV RECEIVER INSTALLATION AND TEST. PLACED CAPT'S LOC FUNCTION OF THE HSI ON THE MEL AND RELEASED THE ACFT. THE NEXT DAY, I LEARNED THAT THE WRONG NAV RECEIVER HAD BEEN INSTALLED. COMPANY PART #XYXX ACFT CONFIGN REQUIRED XYXU. DURING INSTALLATION AND TEST, I HAD NO INDICATION THAT THIS WAS THE INCORRECT PART.

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.