Service difficulty report · Actuator · Doug MD88

Difficulty date
August 20, 2017
Submitted
August 21, 2017
Operation
Air carrier
Aircraft
N901DE
Make and model
Doug MD88
Aircraft serial
53378
Aircraft time
65,798 hours, 48,012 cycles
Part
Actuator
Condition
Malfunctioned
Location
Slat System
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

WITH SLATS EXTENDED, THE AIRCRAFT ROLLED TO THE RIGHT, SUBSTANTIALLY. TRIM REQUIRED IS 3 DEGREES LT OF THE TRIM REQUIRED WITH A CLEAN WING. DURING CRUISE THE REQUIRED TRIM IS LESS THAN 1 UNIT RIGHT BOTH RUDDER/AILERON WITH BALANCED POWER & FUEL. FLAP BUSS TENSIONS IN LIMITS IAW AMM 27-50 AT 550 LBS. FOUND FLAP ACTUATORS BYPASSING AT L1, R1, AND R3 POSITIONS. REMOVED L1, R1, R3 FLAP ACTUATORS IAW AMM 27-52. INSTALLED THE FLAP ACTUATORS IAW AMM 27-52. FINAL INSTALLATION SAFTIES, OPS AND LEAK CHECKED GOOD IAW AMM 27-52. (LP3517149)

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