Service difficulty report · Actuator · Boeing 7572B7

Difficulty date
February 17, 2012
Submitted
February 20, 2012
Operation
Air carrier
Aircraft
N206UW
Make and model
Boeing 7572B7
Aircraft serial
27808
Aircraft time
57,320 hours, 20,994 cycles
Part
Actuator
Part number
5006397P
Part serial
215
Condition
Noisy
Location
Slats
Part time
81,445 hours, 33,155 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
O

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

What was found

FLT 1033 , BOTH FLAP POINTERS ON 1/2 WITH THE FLAP LEVER UP. L/E SLAT DISAGREE DISPLAYED. CREW WAS ABLE TO GET THE LIGHT TO EXTINGUISH, AND CONTINUED TO DESTINATION. ON ARRIVAL, AN EMERGENCY WAS DECLARED AND A NO FLAPS LANDING WAS MADE. LANDED WITHOUT FURTHER INCIDENT. FOUND NR 5 SLAT OTBD ACTUATOR AT FAULT (MAKING GRINDING NOISES WHEN TURNED). REPLACED OTBD NR 5 SLAT ROTARY ACTUATOR. L/E SLAT SYSTEM TESTED GOOD. DAMAGED ACTUATOR FUNCTIONED WITHIN MFG SPECS AS RECEIVED. ALL COMPONENTS IN SERVICEABLE CONDITION. RE-SHIMMED TORQUE LIMITER AS PRECAUTIONARY MEASURE.

More about the Boeing 757-2B7