SDR AALA201803139021

Service difficulty report · Valve · Airbus A321231

Difficulty date: March 12, 2018
Submitted: March 15, 2018
Operation: Air carrier
Aircraft: N156AN
Make and model: Airbus A321231
Aircraft serial: 6983
Aircraft time: 6,788 hours, 2,633 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Valve
Condition: Faulty
Location: Mlg
Stage of operation: NR
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

LANDING GEAR FAILED TO EXTEND, DOORS FAILED TO OPEN. THIS CONDITION LASTED FOR 30 SECONDS. CYCLED LANDING GEAR HANDLE AND LANDING GEAR EXTENDED IMMEDIATELY, THREE RED LAMPS REMAINED ILLUMINATED DURING THE FIRST ATTEMPT). INSTALLED SERVICEABLE LANDING GEAR SAFETY VALVE PER AMM 32-31-17.

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