Service difficulty report · Actuator · Emb EMB145LR

Difficulty date
November 9, 2007
Submitted
November 12, 2007
Operation
Air carrier
Aircraft
N262SK
Make and model
Emb EMB145LR
Aircraft serial
145168
Aircraft time
21,154 hours, 16,448 cycles
Engine
Allsn AE3007A
Engine time
11,057 hours, 9,709 cycles
Part
Actuator
Part number
3633001019
Part serial
00557
Condition
Contaminated
Location
Te Flaps
Part time
21,154 hours, 16,448 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
L

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

What was found

CLE TO BDL.- ON DESCENT, FLAPS WERE SELECTED FROM 0 TO 9 AND A FLAP FAIL MESSAGE APPEARED ON EICAS. THE QRH WAS FOLLOWED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INTERROGATED THE CMC FOR FAULT CODES AND FOUND CODES FOR FLAP JAMMING. THE FLAP SYSTEM WAS RESET AND WAS WORKING NORMALLY ON THE GROUND. THE AIRCRAFT WAS FERRIED TO CMH FOR FURTHER TROUBLESHOOTING. ONCE IN CMH MAINTENANCE INSPECTED THE FLAP ACTUATORS FOR FAULTS AND DISCOVERED THE OUTBOARD ACTUATOR FOR THE RIGHT INBOARD FLAP HAD WATER CONTAMINATION INSIDE. THE ACTUATOR WAS REPLACED ALONG WITH THREE OTHERS AS A PRECAUTION. AFTER THE ACTUATOR WAS REPLACED, THE AIRCRAFT WAS TEST FLOWN AT ALTITUDE AND NO FATHER DEFECTS WERE NOTED.

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