As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERNAL STRUCTURE INTERCOSTALS BTW FS 349 - 364, S25L - 25R AT MAIN AVIONICS COMPARTMENT. INTERCOSTALS BTW FS 349 -364, S26L - S26R AT MAIN AVIONICS COMPARTMENT WERE EVALUATED OUT OF LIMITS PER SRM 53-21-23-101-003-A01 AND REPLACED PER SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01. INTERNAL STRUCTURE INTERCOSTALS BTW FS 349 - FS 364 BTW S25L- S26L, AND S26R - S25R WERE CLEANED AND NO CORROSION WAS FOUND IAW SRM 51-26-00-001-001-A01.