What was found
AIRCRAFT WAS GROUNDED: THE R3 DOOR FRAME LOCKING HOOK ROLLERS ARE DRY AND STIFF HARDTO TURN. R3 DOOR FRAME LOCKING HOOK ROLLERS APPLIED LUBRICANT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: THE R3 DOOR FRAME LOCKING HOOK ROLLERS ARE DRY AND STIFF HARDTO TURN. R3 DOOR FRAME LOCKING HOOK ROLLERS APPLIED LUBRICANT.