Service difficulty report · Connector · Aerosp ATR42300

Difficulty date
September 11, 2013
Submitted
September 17, 2013
Operation
Air carrier
Aircraft
N916FX
Make and model
Aerosp ATR42300
Aircraft serial
314
Aircraft time
24,651 hours, 27,431 cycles
Engine
Pwa PW121
Engine time
22,296 hours, 25,713 cycles
Part
Connector
Condition
Contaminated
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
X
Precautionary procedure
A

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

What was found

NR 2 ENGINE FAIL ON TAKEOFF, GOT UP TRIM, NO AUTOFEATHER. TROUBLESHOOT SUSPECTED COMMANDED AUTOFEATHER. CHECKED CONTINUITY FROM ALL PINS OF PLUGS P6 & P7 OF TORQUE SIGNAL CONTROL UNIT TO EEC, J3, AND TORQUE SENSOR CONTINUITY CHECK GOOD. CHECKED CONTINUITY OF TORQUE SENSOR PINS 1 & 2, 3 & 4, 5 TO GROUND ALL CHECKS WITHIN LIMITS. FOUND PLUGS P6, P7 & P2 OIL SOAKED. CLEANED PLUGS. REPLACED TORQUE SENSOR AND SIGNAL CONTROL UNIT. PERFORMED OPS CHECKS OF ATPCS, POWER ASSURANCE AND LOW PITCH PROTECTION. ALL REQUIRED OPS CHECKS CHECK GOOD. REF: MM 72-01-10 FIG 601, AND 72-01-10 RAI 7. MM 72-00-00, ADJUSTMENT AND TEST TABLE 501.

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