As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD LOWER CORNER OF R1 DOOR HAS AN EXTERNAL HFEC CRACK INDICATION, APPROX 3/8" LONG. INSTALLED REPAIR TO FWD LOWER CORNER OF R1 DOOR CUT OUT IAW SRM 53-10-01. PN 141T3330, PART NAME SKIN, CRACKED 3/8", EXACT FS LOCATION ON ACFT 287. ACFT WAS GROUNDED.