SDR GTIA201401291142

Service difficulty report · Bypass Valve · Airbus A321231

Difficulty date: January 29, 2014
Submitted: January 31, 2014
Operation: Air carrier
Aircraft: N588NK
Make and model: Airbus A321231
Aircraft serial: 2590
Aircraft time: 29,311 hours, 12,546 cycles
System (JASC): 3231 · Landing Gear Door Retract Section
Part: Bypass Valve
Part number: 114087007
Part serial: DH228905
Condition: Failed
Location: Mlg Doors
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

LANDING GEAR, NOSEWHEEL, DOORS WOULD NOT CLOSE AFTER CYCLED ON TAKE OFF. FOLLOWED TSM 37-31-00-810-859-A. R & R BYPASS VALVE NLG DOOR GROUND OPENING IAW AMM 32-22-17, PB 401. OPS CHECK GOOD. PERFORMED EXTENSION AND RETRACTION ON NOSE GEAR AND DOORS. OPS CHECK GOOD IAW AMM 32-30-00, PB 201.

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