What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR KNOB DOES NOT RETRACT THE UPPER LATCH PIN. THE LOWER AND MIDDLE LATCH PINS WORK NORMALLY. ONLY WAY TO OPEN DOOR IS WITH ELECTRIC UNLOCK SWITCH. REPLACED MID LATCH DOOR MECHANISM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR KNOB DOES NOT RETRACT THE UPPER LATCH PIN. THE LOWER AND MIDDLE LATCH PINS WORK NORMALLY. ONLY WAY TO OPEN DOOR IS WITH ELECTRIC UNLOCK SWITCH. REPLACED MID LATCH DOOR MECHANISM.