SDR FDEA201306191346

Service difficulty report · Uplock · Doug MD11F

Difficulty date: June 19, 2013
Submitted: June 28, 2013
Operation: Air carrier
Aircraft: N596FE
Make and model: Doug MD11F
Aircraft serial: 48554
Aircraft time: 71,781 hours, 13,425 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Uplock
Condition: Inoperative
Location: Mlg
Stage of operation: CL
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

AFTER TAKEOFF, LEFT MAIN GEAR DID NOT RETRACT. RED LIGHT ON GEAR HANDLE SPOT AND RED LIGHT ON CONFIG PANEL. SPEED MAX 220. PERFORMED CHECKLIST. CHECKLIST WORKED. NORMAL FLT AND LANDING. REPLACED GEAR UNLOCK CYLINDER. OPS CHECKS NORMAL THROUGH LEAK CHECK AND GEAR SWING

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