SDR GLBA20111130J

Service difficulty report · Sequence Valve · Emb EMB120ER

Difficulty date: November 29, 2011
Submitted: November 30, 2011
Operation: Air carrier
Aircraft: N299UX
Make and model: Emb EMB120ER
Aircraft serial: 120299
Aircraft time: 30,318 hours, 31,338 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Sequence Valve
Part number: 12032943001
Part serial: 726
Condition: Malfunctioned
Location: Mlg
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

PILOT REPORTED THAT AFTER TAKEOFF THE RT GEAR RED A & B DISAGREEMENT LIGHTS STAYED ILLUMINATED FOR 15-20 SECONDS AND THEN WENT OUT. MX REPLACED THE NR 3 SEQUENCE VALVE, PN: 120-32943-001, SN: 726, IAW EMM 32-32-04, OPS CK GOOD IAW 32-30-00.

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