Service difficulty report · Control Valve · Boeing 7378Q8

Difficulty date
January 12, 2015
Submitted
March 3, 2015
Operation
Air carrier
Aircraft
N858AM
Make and model
Boeing 7378Q8
Aircraft serial
30671
Aircraft time
44,087 hours, 15,562 cycles
Part
Control Valve
Part number
39353
Part serial
22377
Condition
Failed
Location
Anti-Skid Sys
Part time
13,557 hours, 5,551 cycles
Stage of operation
LD
How discovered
O
Nature of condition
B
Precautionary procedure
K

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

What was found

CAPTAIN REPORTED THAT DURING LANDING, THE CONTROL TOWER INFORMED THAT EXCESSIVE SMOKE WAS OBSERVED IN THE LT MLG. MX WAS INFORMED BY GND PERSONNEL THAT LT MLG TIRE WAS FLATTED, SO THE FLAT SPOTTED TIRES CONDITIONAL INSPECTION WAS PERFORM IAW AMM 05-51-16-210-801, DETECTING THE LT MLG TIRE NR 2, BRAKE NR 1 & HYD HOSE DAMAGED, SO THE NON-ROUTINE CARD NRS A0223537 & A0223538 WERE ISSUED FOR CORRECTION OF DISCREPANCIES & THE ACCU WAS REVIEWED DETECTING THE FAILURE CODE BOX 1 - 4. THE HYD HOSE WAS REPLACED IAW AMM 32-40-11, THE MAIN WHEEL ASSEMBLY NR 001 & 002 WERE REPLACED IAW AMM 32-45-11, THE BRAKES ASSEMBLY NRS 001 & 002 WERE REPLACED IAW AMM 32-41-41, THE ANTI-SKID CONTROL VLV & THE ANTI-SKID AUTO BRAKE CONTROL UNIT WERE REPLACED IAW AMM 32-42-31 & AMM 32-42-2. SEVERE OR UNUSUAL TURBULENCE CONDITIONAL INSPECTION WAS PERFORMED IAW AMM 05-51-04, TESTED CORRECT.

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