What was found
DURING INSPECTION THE LEFT ENGINE NACELLE OUTBOARD UPPER KEEL WEB (P/N 114-980022-1) WAS FOUND TO HAVE TWO CRACKS ON THE FORWARD FLANGE. BOTH CRACKS RAN VERTICALLY ON THE FLANGE. ONE CRACK WAS BETWEEN THE TWO CENTER ATTACH RIVETS APPROXIMATELY 1 INCH IN LENGTH. THE 2ND CRACK WAS LOCATED NEXT TO THE THREE LOWER HI-LOCK ATTACH FASTENERS APPROXIMATELY 3 INCHES IN LENGTH. THE KEEL WAS REPAIRED IAW AERODESIGN ENGINEERING REPORT NR 1507, DATED 6/2/95 AND FAA FORM 8110-3. THE KEEL WEB IS TO BE REPLACED NO LATER THAN 1/4/96 WITH REINSPECTIONS EVERY 45 DAYS UNTIL REPLACEMENT. (M)