As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING FUNCTIONAL TEST OF CREW ESCAPE HATCH FOUND OUTER HANDLE TO BE STUCK. WILL NOT POP OUT WHEN THE PUSH BUTTON IS PRESSED. REMOVED AND INSTALLED NEW SERVICEABLE CREW ESCAPE LATCH ASSY. (INCLUDING HANDLE HOUSING) P/N H3419-35 IAW CRJ-900 SRM 51-42-06-001-001-A01 AND REATTACHED AFT LINK ASSY. IAW STEPS 4.A AND 4.B(1-4) OF CRJ-900 AMM 52-22-02-400-804 (A01).