Service difficulty report · Proximity Switch · Airbus A319131

Difficulty date
February 25, 2012
Submitted
March 15, 2012
Operation
Air carrier
Aircraft
N819UA
Make and model
Airbus A319131
Aircraft serial
893
Aircraft time
45,967 hours, 18,255 cycles
Engine
Iae V2522A5
Part
Proximity Switch
Condition
Faulty
Location
Ram Air Turbine
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

HYDRAULIC RAM AIR TURBINE WILL NOT STOW. FOUND STOW SOLENOID IN RAT ACTUATOR (1GE) OPEN. RMV'D RAT ACTUATOR. INSTALLED ROBBED ACTUATOR FROM ACFT 4049, NO HELP. REF TSM 29-22-810-803 ADJUSTED INTERLOCK PROX SWITCH REF MM. PERFORMED OP TEST OF RAT TEST DEPLOY, RETRACT. RAN RAT UP AND DOWN SEVERAL TIMES WITH NO FAULTS. ALSO REPLACE RAT GND CONTROL UNIT 2815GE.

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