Service difficulty report · Control Unit · Boeing 7472U3B

Difficulty date
December 16, 2003
Submitted
December 17, 2003
Operation
Air carrier
Aircraft
N923FT
Make and model
Boeing 7472U3B
Aircraft serial
22769
Aircraft time
76,622 hours, 18,831 cycles
Part
Control Unit
Condition
Malfunctioned
Location
Te Flaps
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

AFTER T/O - INBOARD TRAILING EDGE FLAPS HUNG AT 5 DEGREES RETRACTED BY ALTS SYS ON EXTENSION I/B FLAPS HUNG AT 5 DEGREES EXTENDED BY ALT SYS. REPLACED NO COAST DRAG BRAKE PER MM 27-51-42, OP'S CK GOOD.

More about the Boeing 747-2U3B