SDR SWIA201439905

Service difficulty report · Control Valve · Emb EMB120ER

Difficulty date: November 9, 2014
Submitted: November 13, 2014
Operation: Air carrier
Aircraft: N584SW
Make and model: Emb EMB120ER
Aircraft serial: 120352
Aircraft time: 31,505 hours, 43,157 cycles
System (JASC): 3240 · Landing Gear Brake System
Part: Control Valve
Condition: Failed
Location: Brake Sys
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

WHILE TAXIING AT NORMAL TAXI SPEED WITH ANTI-SKIDS ON, BRAKES FELT SPONGY. FELT LIKE ACFT WOULD NOT COME TO A STOP UNTIL TAXI SPEED IS VERY LOW AND THEN THE BRAKES FINALLY GRAB BRINGING THE ACFT TO A JOLTING STOP. R & R BLUE SYSTEM BRAKE CONTROL VALVE IAW AMM. PN 39651-2, SN ON 305, SN OFF 734.

More about the Emb EMB-120ER