Service difficulty report · Downlock Target · Doug MD11F

Difficulty date
November 28, 2015
Submitted
November 30, 2015
Operation
Air carrier
Aircraft
N412SN
Make and model
Doug MD11F
Aircraft serial
48412
Aircraft time
68,236 hours, 13,516 cycles
Part
Downlock Target
Condition
Out Of Position
Location
Lt Mlg
Stage of operation
LD
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

DURING EXTENSION OF THE LG, UNSAFE INDICATION OF LT MAIN BOTH PRIMARY & ALTERNATE INDICATIONS. CYCLED GEAR, ALERTS REMAINED. PERFORMED ALTERNATE EXTENSION & ALERTS STILL REMAINED UNSAFE. VERIFIED GEAR VISUALLY & LANDED WITH LT MAIN GEAR STILL UNSAFE INDICATED. FOUND LEFT MLG PROXIMITY SENSOR TARGET OUT OF POSITION. SECURED TARGET & ADJUSTED TARGET IAW AMM 32-61-15. ALL INDICATIONS NORMAL. PERFORMED GEAR RTS TEST IAW AMM TASK 32-61-15 741-802. RTS NORMAL NO FAULTS NOTED OK FOR SERVICE.

More about the Doug MD-11F