Service difficulty report · Brake Assy · Cessna 680A

Difficulty date
October 2, 2025
Submitted
October 3, 2025
Operation
Air carrier
Aircraft
N615QS
Make and model
Cessna 680A
Aircraft serial
680A0267
Aircraft time
5,400 hours, 3,567 cycles
Part
Brake Assy
Part number
216751
Part serial
D0412
Condition
Leaking
Location
Zone 700
Part time
5,400 hours, 3,567 cycles
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

AFTER LANDING AT KHND (ON-SPEED, WITH AN APPROX TAILWIND 5 KNOTS), PF REPORTED, ATTEMPTED TO BRAKE HEAVILY BUT GOT A MEDIOCRE BRAKING. AT 65 KNOTS, TOOK OVER CONTROLS & SAME. AFTER PARKING, CHECKED BOTH MLG FOR HYD LEAKS & NONE, BUT THERE WAS LIGHT SMOKE COMING FROM ONE OR BOTH BRAKE ASSYS ON RT MLG. FOUND EVIDENCE OF A FLUID LEAK FROM ONE OF LOWER PORTS OF NR 3 BRAKE. WITH AUX PUMP ON, APPLIED PRESSURE TO THE BRAKE PEDALS, FLUID DOES LEAK FROM LOWER AFT PORT. SLOW LEAK, R & R NR 3 MLG BRAKET. COMPLETED EMERGENCY BRAKE FUNCTIONAL TEST & COMPLETED BRAKE BLEED, LEAK & OPS CHKD GOOD, NO DEFECTS, IAW AMM 32-42-05. TAXID ARCFT & CHECKED FEEL & OPS BRAKES. OPS CHKD GOOD. NO DEFECTS IAW AMM 9-20-00.

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