Service difficulty report · Support Bracket · Emb EMB120ER

Difficulty date
February 26, 2014
Submitted
March 1, 2014
Operation
Air carrier
Aircraft
N654CT
Make and model
Emb EMB120ER
Aircraft serial
120251
Aircraft time
39,544 hours, 56,107 cycles
Engine
Pwa PW118B
Propeller
Hamstd 14RF9
Part
Support Bracket
Part number
12022884001
Condition
Damaged
Location
Te Flap
Stage of operation
CL
How discovered
O
Nature of condition
F, J
Precautionary procedure
A

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

What was found

AFTER TAKEOFF FROM FRG WHEN THE FLAPS WERE SELECTED UP, THE INBD & NACELLE PANELS RETRACTED WHILE THE OTBDS REMAINED AT 15°. THIS WAS ACCOMPANIED WITH A DISAGREEMENT WARNING ON THE ANNUNCIATOR PANEL. THE AIRCRAFT RETURNED TO FRG & LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED A COMPLETE FLAP SYSTEM OPERATIONAL CHECK & CYCLED THE FLAPS NUMEROUS TIMES BUT WAS UNABLE TO DUPLICATE THE PROBLEM. THE AIRCRAFT WAS RETURNED TO SERVICE. THE SAME TYPE DISAGREEMENT OCCURRED ON THE NEXT TAKEOFF & AGAIN THE AIRCRAFT RETURNED TO FRG & LANDED WITHOUT INCIDENT. MX FOUND THE RT OTBD FLAP SHROUD INBD ROLLER BEARING SUPPORT BRACKET DAMAGED. THE SUPPORT BRACKET & ROLLER BEARING WAS REPLACED IAW EMB 120 AMM 57-52-02 & THE SYS CHECKED SATISFACTORY.

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