As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRIM WHEEL NOT CORRECT, PILOT REPORTS AN UNUSUAL GRINDING NOISE FROM RT STAB TRIM WHEEL IN FLT. ALSO REPORTED A NOISE SIMILAR TO THAT OF SERVO ACTUATION, SOUNDED LIKE A SPEED BRAKE SERVO IAW PILOT STABILIZER CONTROL CHAIN. FOUND TO NEED ADJUSTMENT. ADJUSTED STABILIZER CONTROL CHAIN IAW AMM 27-41-00-820-801. PERFORMED LAND VERIFY TEST REF AMM 22-11-00-700-801. ALL TESTS PASSED. CAT STATUS REMAINS. ACCOMPLISHED INSPECTION OF STABILIZER CONTROL CHAIN ASSY FOUND SAFTIED & SECURED.