What was found
DAMAGE WAS NOTED ON THE LH CABIN FRAME #5 ASSEMBLY (PN: L533M1088103) AND REINFORCEMENT ANGLE (PN: L533M1088218) AT APPROXIMATELY FUSELAGE STATION 4,709MM, WATER LINE 2,350MM. THERE IS ONE CRACK ON EACH STRUCTURE IDENTIFIED ABOVE AT THE LOWER MEDICAL WALL MOUNT LOCATION, EACH MEASURING APPROXIMATELY 0.75” IN LENGTH. THE DAMAGE IS RELATED TO THE AFT MEDICAL WALL & SEAT INSTALLATION INSTALLED PER METRO AVIATION STC # SR09164 – DRAWING 135M-420.