SDR 9603021226

Service difficulty report · Retract Mech · Doug DC1030

Difficulty date: February 3, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N226NW
Make and model: Doug DC1030
Aircraft serial: 46583
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Retract Mech
Condition: Malfunctioned
Location: Nlg
Stage of operation: TO
Nature of condition: J, E
Precautionary procedure: A, J

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

What was found

DURING TAKEOFF, A LOUD BANG, AIRFRAME VIBRATION, AND A NOSE GEAR UNSAFE LIGHT OCCURRED. DUMPED 130,000 LBS OF FUEL AND RETURNED TO HNL. REPLACED THE UPPER AND LOWER LOCK LINKS, NOSE UNLOCK CYLINDER, RETRACT CYLINDER, AND LEFT AND RIGHT DOOR LINKS. OPERATION OF NOSE GEAR RETRACT NORMAL.

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