Narrative:

On a 'B' service check to aircraft X B747-200 at ZZZZ, a report arrived from boeing to accomplish a second-degree corrosion that was found during the 'B' check on the l-hand wing upper skin between stations WS389 and WS419. The instructions were followed and accomplished as per the boeing request without any incident or further problem. I personally released the aircraft in an airworthy, normal situation and the aircraft was released with all the 'B' check related information in a normal and routine manner. Later on, I was informed that the aircraft should have had a form X completed before the aircraft had been released. The aircraft was held in ZZZZ1 (after its first flight from ZZZZ) for a maintenance problem (not related with this item) for 2 days. During that time the form X was produced by engineering and the quality assurance/quality control chief supervisor during that time at our ZZZ base and delivered to the proper auths. I have been informed that the company has disclosed on this problem to the FAA auths, and that no further actions will be taken. I was requested to write a statement by my quality assurance/quality control chief inspector at the ZZZ base, which I have done, mainly stating that I was never informed of this situation before releasing the aircraft. Also for your information, I already have a letter on my file for an incorrect part number installed on a fuel boost wing pump, the aircraft in question was finally released before flight with the pump in question inoperative.

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Original NASA ASRS Text

Title: A B747-200 HAD A MANUFACTURER APPROVED REPAIR TO THE L WING REAR SPAR UPPER SKIN ACCOMPLISHED. ACFT WAS RELEASED FOR SVC BUT DID NOT HAVE REQUIRED REPAIR FORM WITH PAPERWORK PACKAGE.

Narrative: ON A 'B' SVC CHK TO ACFT X B747-200 AT ZZZZ, A RPT ARRIVED FROM BOEING TO ACCOMPLISH A SECOND-DEGREE CORROSION THAT WAS FOUND DURING THE 'B' CHK ON THE L-HAND WING UPPER SKIN BTWN STATIONS WS389 AND WS419. THE INSTRUCTIONS WERE FOLLOWED AND ACCOMPLISHED AS PER THE BOEING REQUEST WITHOUT ANY INCIDENT OR FURTHER PROB. I PERSONALLY RELEASED THE ACFT IN AN AIRWORTHY, NORMAL SIT AND THE ACFT WAS RELEASED WITH ALL THE 'B' CHK RELATED INFO IN A NORMAL AND ROUTINE MANNER. LATER ON, I WAS INFORMED THAT THE ACFT SHOULD HAVE HAD A FORM X COMPLETED BEFORE THE ACFT HAD BEEN RELEASED. THE ACFT WAS HELD IN ZZZZ1 (AFTER ITS FIRST FLT FROM ZZZZ) FOR A MAINT PROB (NOT RELATED WITH THIS ITEM) FOR 2 DAYS. DURING THAT TIME THE FORM X WAS PRODUCED BY ENGINEERING AND THE QUALITY ASSURANCE/QUALITY CTL CHIEF SUPVR DURING THAT TIME AT OUR ZZZ BASE AND DELIVERED TO THE PROPER AUTHS. I HAVE BEEN INFORMED THAT THE COMPANY HAS DISCLOSED ON THIS PROB TO THE FAA AUTHS, AND THAT NO FURTHER ACTIONS WILL BE TAKEN. I WAS REQUESTED TO WRITE A STATEMENT BY MY QUALITY ASSURANCE/QUALITY CTL CHIEF INSPECTOR AT THE ZZZ BASE, WHICH I HAVE DONE, MAINLY STATING THAT I WAS NEVER INFORMED OF THIS SIT BEFORE RELEASING THE ACFT. ALSO FOR YOUR INFO, I ALREADY HAVE A LETTER ON MY FILE FOR AN INCORRECT PART NUMBER INSTALLED ON A FUEL BOOST WING PUMP, THE ACFT IN QUESTION WAS FINALLY RELEASED BEFORE FLT WITH THE PUMP IN QUESTION INOP.

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.