Service difficulty report · Actuator · Doug DC873F

Difficulty date
July 30, 2006
Submitted
July 31, 2006
Operation
Air carrier
Aircraft
N803UP
Make and model
Doug DC873F
Aircraft serial
46073
Aircraft time
80,100 hours, 22,594 cycles
Part
Actuator
Part number
5772693
Part serial
UP18524
Condition
Cracked
Location
Te Flap
Stage of operation
AP
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

WHEN FLAPS EXTENDED TO 23 DEGREES OUTER NEEDLE INDICATED 12 DEGREES INNER NEEDLE INDICATED 23 DEGREES, REQUIRED 4 UNITS OF RT AILERON TRIM FOR LEVEL FLIGHT. UPON INSPECTION FOUND LT STA 98 FLAP ACTUATOR PISTON ROD CRACKED IN TWO. REMOVED AND REPLACED STA 98 LT FLAP ACTUATOR.

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