SDR AALA201912269018

Service difficulty report · Hydraulic System · Airbus A321231

Difficulty date: December 24, 2019
Submitted: December 27, 2019
Operation: Air carrier
Aircraft: N998AN
Make and model: Airbus A321231
Aircraft serial: 7509
Aircraft time: 10,004 hours, 3,785 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Hydraulic System
Condition: Low
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

AIRCRAFT WAS GROUNDED: INBOUND FLIGHT CREW REPORTED BRAKES WERE GRABBING, SPONGY, AND PULSATING PRIOR TO CYCLING THE ANTI SKID SWITCH. ALSO FOUND THE BRAKE TEMPS AS FOLLOWS #1 - 155, #2 - 170, #3 - 340, #4 - 30. MAINTENANCE SERVICED GREEN HYD SYSTEM IAW AMM 12-12-29. ACCOMPLISHED BRAKE SYSTEM BLEED IAW AMM 32-42-00.

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