Service difficulty report · Connector · Boeing 767322

Difficulty date
May 4, 2012
Submitted
June 30, 2012
Operation
Air carrier
Aircraft
N663UA
Make and model
Boeing 767322
Aircraft serial
27160
Aircraft time
82,003 hours, 13,225 cycles
Engine
Pwa PW4060
Part
Connector
Condition
Contaminated
Location
Stabilizer
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AIR RETURN DUE TO STAB TRIM INDICATION. TROUBLESHOOTING FOUND STAB WOULD RUN AT FULL SPEED IN NOSE UP DIRECTION AND HALF SPEED IN NOSE DOWN DIRECTION. IN BLOCK 6 OF FIM FOUND STAB WOULD NOT GO IN NOSE DOWN DIRECTION 104400 ALSO HAD 0.2 OHMS, AND IN NOSE UP DIRECTION IT RAN AT HALF SPEED, NORMAL. IN STEP 7 OF FIM FOUND CONNECTOR D2211 OF L-H STAB MODULE M1607 FULL OF HYD FLUID AND PIN 2 PUSHED BACK. CLEANED CONNECTOR AND REINSTALLED PIN. RERAN FIM AND ALL CK'S NORMAL. MESSAGES CLEARED AND NO FAULT BALLS ON LT OR RT SAM'S.