Service difficulty report · Bellcrank · Cessna 680A

Difficulty date
July 3, 2026
Submitted
July 13, 2026
Operation
Air carrier
Aircraft
N509QS
Make and model
Cessna 680A
Aircraft serial
680A0028
Aircraft time
7,430 hours, 4,809 cycles
Part
Bellcrank
Part number
741132122
Condition
Broken
Location
Zone 800
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DOOR MOTOR CLUTCH REMAINS DISENGAGED & DOOR WILL FREE-FALL UNLATCHED. OPENED DOOR. DOOR OPENED NORMALLY UNTIL APPROX 2/3RDS OF WAY DOWN, HEARD A LOUD BANG AS IF SOMETHING BROKE. DOOR FINISHED OPENING & REMAINED COMPLETELY OPEN REVEALING NOTHING OUT OF ORDINARY ON VISUAL INSP. ATTEMP TO CLOSE DOOR NORMAL VIA BUTTON INSIDE & DOOR BEGAN TO CLOSE, BUT MOTOR GAVE UP APPROX 1/4 OF WAY. ATTEMPTS WITH BUTTON DO NOTHING, NO DOOR MOVEMENT OR SOUND. ABLE TO MANUAL LIFT DOOR & LATCH CLOSED. ON OPENING & SUPPORTING FROM OUTSIDE, DOOR DOESN`T SEEM TO BE DAMPENED AGAINST GRAVITY AT ALL & WILL FREE FALL IF NOT ASSISTED. INSP DOOR & ACCESSED GAS STRUT, BELLCRANK BROKEN & GAS STRUT WAS STILL LOADING BELLERANK, REMOVED BELLCRANK & GAS STRUT & REPLACED. OPS CHKD GOOD. ORIG SUB DATE: 7-6-2026

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