As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HEAVY CHECK FOUND AFT PAX DOOR CUTOUT LOWER MAIN SILL BEAM, CORROSION FOUND AT ESCAPE SLIDE ATTACHMENT FASTNER AREA. MX REMOVED AND REPLACED AFT PAX DOOR CUTOUT LOWER MAIN SILL BEAM ATTACHMENT FASTNER AREA PN 170-65703-005 REMOVED IAW SRM 53-23-11 AD03 AND REPAIRED IAW SRM 51-10-08 SPOT FACE TYPE A REPAIR VALID FOR 7500FC. SEE NRC # 400319-20000045 FOR WORK PERFORMED. AC RETURNED TO SERVICE.