As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLIGHT EXTERIOR INSPECTION DISCOVERED DENTED AREA BELOW RVSM BOX ON LEFT SIDE OF AIRCRAFT (APPROXIMATELY STATION 540) 400 ACB. GROUNDED - YES. (RESOLVED ON W/O: 1969118 TASKCARD: N/R-00002 ) REPAIRED DENTED AREA IAW ALASKA 900ER EA 900ER-53EA-26065. THIS IS A CAT B REPAIR SUBMITTED TO ENGINEERING FOR TRACKING THIS CLOSES THE DEFECT. SEAMC ARNIE NOTIFIED.