Service difficulty report · Valve · Airbus A320*

Difficulty date
February 14, 2023
Submitted
February 20, 2023
Operation
Air carrier
Aircraft
N170US
Make and model
Airbus A320*
Aircraft serial
1462
Aircraft time
69,999 hours, 26,798 cycles
Part
Valve
Part number
A254340063000
Part serial
H1639
Condition
Defective
Location
Zone 100 - Fuse
Part time
44,402 hours, 28,621 cycles
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

AIRCRAFT WAS GROUNDED: BRAKES PULSED TERRIBLY ON LANDING ROLLOUT. IT WAS WORSE FROM 100 KNOTS DOWN TO 50 KNOTS. MAINTENANCE REPLACED BRAKE CONTROL HYDRAULIC RESERVOIR 2624GM DUE TO LEAKING PER AMM 32-43-11. (AALA202302200797) AND THE DUAL VALVE ALTERNATE BRAKE DISTRIBUTION 2577GM PER AMM 32-43-14. (AALA202302204045) ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK WITH NO DEFECTS NOTED.