Service difficulty report · Computer · Emb EMB505

Difficulty date
May 29, 2025
Submitted
June 2, 2025
Operation
Air carrier
Aircraft
N452QS
Make and model
Emb EMB505
Aircraft serial
50500671
Aircraft time
2,608 hours, 1,986 cycles
Part
Computer
Condition
Faulted
Location
Zone 700
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

DURING TAXI BOTH L & R BRAKES CHATTERED, PULSED AND WERE VERY GRINDY. MORE PRONOUNCED WITH LIGHT APPLICATIONS OF THE BRAKES. TAXI SPEEDS WERE UP TO 25KTS AND HAPPENED AT ALL SPEEDS. ALSO A SLIGHT BURNING SMELL FROM THE BRAKES UPON RETURN TO THE FBO. CORRECTIVE ACTION: LH AND RH BRAKE LIFE SATISFACTORY. NO DAMAGE OR LEAKS NOTED. HYDRAULIC RESERVOIR IN THE GREEN. RIGHT HAND TIRE LOOKS NEW AS DOES THE BRAKE WITH NO LEAKS. CUSTOMER REQUESTED CVDR DOWNLOAD BEFORE FURTHER MAINTENANCE AYKUT TAN 05/29/2025 PERFORMED NJA BRAKE AND EMERGENCY/PARKING BRAKE SYSTEM BLEED FORM TC-E50-32-1001 REV 0, DATED 21 5EPT2022, FOUND AIR IN LH MAIN BRAKE. RH BRAKE NORMAL, CREW PERFORMED TAXI BRAKE CHECK. NO CHATTERING OR DEFECTS NOTED FROM CREW AND MAINTENANCE, BRAKE SYSTEM OPERATION NORMAL. NO FURTHER DEFECTS NOTED

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