Service difficulty report · Control Valve · Emb ERJ190100IGW

Difficulty date
July 9, 2023
Submitted
July 11, 2023
Operation
Air carrier
Aircraft
N274JB
Make and model
Emb ERJ190100IGW
Aircraft serial
082
Aircraft time
42,204 hours, 27,618 cycles
Part
Control Valve
Part number
398913
Part serial
6315
Condition
Failed
Location
Lh-Bcv-2
Part time
13,786 hours, 9,498 cycles
Stage of operation
LD
How discovered
V
Nature of condition
J
Precautionary procedure
B

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

What was found

FLT#386, RDU-JFK. (AIRCRAFT DECLARED AN EMERGENCY) 'RH AND LH BRAKE FAULT IN FLIGHT. REQUIRED AGGRESSIVE BRAKING UPON LANDING. REMAINING BRAKES REACHED 450 DEGREES. COMPLETED QRH PROCEDURES; REF LOG PAGE 3760262, ITEM 1 (R+R #1 MAIN BRAKE CONTROL VALVE IAW AMM 32-41-0. DID NOT FIX THE ISSUE WITH THE #1 BRAKE PRESSURE BEING 100 PSI HIGHER THAN THE OTHERS IN CMC. REQUIRES OPS TEST SEE L/PG 3760262-2 (PERFORMED OPS CHK OF MAIN BRAKING SYS #1 IAW AMM 32-41-00. OPS CHK OK. )), LOG PAGE 3760263, ITEM #1 REMOVED AND REPLACED BRAKE MAIN CONTROL VALVE #1 AND #1 BRAKE PRESSURE TRANSDUCER CONNECTOR P2193. OPS CHECK NORMAL.'

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