As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: R2 SLIDING WINDOW OUTER PANE APPEARS TO HAVE A CRACK STARTING AT FORWARD EDGE PROPAGATING AFT TOWARDS BUBBLE ABOUT 2.5 INCHES AFT. MAINTENANCE REPLACED SLIDING WINDOW PER AMM 56-12-11 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.