SDR 98ZZZX2699

Service difficulty report · Control Cable · Cessna 172R

Difficulty date
June 25, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N9730F
Make and model
Cessna 172R
Aircraft serial
17280032
Part
Control Cable
Condition
Misrouted
Location
Elevator Trim
Part time
426 hours
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
K

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

What was found

WHILE PERFORMING CESSNA SB 98-27-06, FOUND ELEVATOR TRIM CABLES ROUTED WRONG. (CABLES SWITCHED AROUND ON PULLEYS). TRIM TAB DOWN TRAVEL WAS ALSO INCORRECT. FOUND 19 DEGREES, LIMIT IS 15 DEGREES, PLUS OR MINUS ONE DEGREE. TRIM CABLE TENSION WAS TOO HIGH. WAS 22 POUNDS. LIMIT IS 15 POUNDS PLUS 5, MINUS ZERO. ALL 4 TRIM ACTUATOR ATTACH SCREWS FOUND LOOSE, 1 WAS ONLY IN 2 TURNS AND CROSS-THREADED IN NUTPLATE. ELEVATOR TRAVEL FOUND OUT OF LIMITS. FOUND UP TRAVEL 30 DEGREES, DOWN 26 DEGREES. LIMITS ARE 28 DEGREES PLUS OR MINUS 1 DEGREE, UP 23 DEGREES PLUS OR MINUS 1 DEGREE DOWN. FOUND BOTH ALERON CABLES ON SAME PULLEY IN LEFT WING ROOT.

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