Service difficulty report · Speed Brake · Cessna 525B

Difficulty date
July 25, 2020
Submitted
July 28, 2020
Operation
General aviation
Aircraft
N393SG
Make and model
Cessna 525B
Aircraft serial
525B0377
Aircraft time
2,822 hours, 2,058 cycles
Part
Speed Brake
Part number
991242330
Part serial
1176
Condition
Unwanted Deploy
Part time
2,822 hours, 2,058 cycles
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

15 MINUTES PRIOR TO LANDING, CREW NOTICED AN UNCOMMANDED PARTIAL SPEED BRAKES DEPLOYMENT. CREW PROCEEDED WITH CHECK LIST, COULD NOT GET SPEED BRAKES STOWED. LANDED SAFELY WITHOUT ANY ISSUES. AFTER LANDING, SPEED BRAKES WERE STILL PARTIALLY DEPLOYED.

More about the Cessna 525B