SDR UPS805315

Service difficulty report · Trigger · Doug DC871F

Difficulty date: January 25, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N798UP
Make and model: Doug DC871F
Aircraft serial: 45895
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Trigger
Condition: Not Locked
Location: Nlg
Stage of operation: CL
Nature of condition: E
Precautionary procedure: O

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

What was found

CLIMBING THROUGH 25K AT 340IAS, NOSE GEAR DOOR POSSIBLY FELL OPEN, CONFIRMED BY LOUD COCKPIT NOISE AND VIBRATION. IMMEDIATELY DECLARED AN EMERGENCY AND RAN GEAR DOOR UNLOCKED CHECKLIST IN THE QRH. RECTIFIED THE PROBLEM. NOSE GEAR LINK RELEASE TRIGGER WAS NOT FULLY LOCKED.

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