As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH WING SPAR 1 HAS A RELEVANT CRACK INDICATION AT RIB 9AREA. SETTINGS: FREQ. 400KHZ, ANGLE: 291.1 DEG. H GAIN: 61.3DB. V GAIN 77.6DB. LO PASS FILTER: 500HZ. PERFORMED PERMANENT REPAIR ON LH WING SPAR 1 LOWER FLANGE AND SPAR 1 WEB CRACK INBD OF RIB 9 IAW ERS-EM-57MR-1245. SEE ATTACHED PAGE 2 OF ERS-EM-57MR-1245 FOR PARTS AND MATERIALS LIST