Service difficulty report · Downlock Switch · Boeing 747236B

Difficulty date
December 5, 2003
Submitted
December 9, 2003
Operation
Air carrier
Aircraft
N924FT
Make and model
Boeing 747236B
Aircraft serial
21730
Aircraft time
65,783 hours, 18,319 cycles
Part
Downlock Switch
Condition
Shorted
Location
Nlg
Stage of operation
IN
How discovered
9
Nature of condition
J
Precautionary procedure
D

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

What was found

AFTER PUSHBACK AUTO SPOILER LT CAME ON FOUND PRIM & CONT C/B POPPED. A/C RETURNED TO BLOCKS. TRANSFERRED TO DMI 31904 PER MEL 32-11A FOUND NOSE GEAR PRIMARY DOWNLOCK SWITCH S206 SHORTED.