Service difficulty report · Disconnect Unit · Cessna 680A

Difficulty date
October 30, 2024
Submitted
November 11, 2024
Operation
Air carrier
Aircraft
N932QS
Make and model
Cessna 680A
Aircraft serial
680A0361
Aircraft time
1,373 hours, 970 cycles
Part
Disconnect Unit
Part number
746111520
Condition
Defective
Location
Flt Controls
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING CONTROL CHECK CAP`S YOKE TURNED RT, THEN LT, THEN BACK TO CENTER, COPILOTS YOKE STAYED IN A FULL LT TURN WHEN CAPS WAS BROUGHT BACK TO CENTER. DURING TAXI BACK, WAS A NOTICEABLE CLICKING SOUND ANYTIME YOKE MOVED. DUPLICATED SQK. PER ENGINEERING, CHKD GAP AT DISCONNECT SECTOR STOP & GAP BETWEEN UPPER & LOWER SECTOR HALVES. GAP FOUND TO BE .072" BOTH CASES. PILOT'S WHEEL IS TURNED LT, BOTH GAPS GET TIGHTER, TO .060", & WHEN TURNED RT, EXPAND TO .080". REPLACED AILERON DISCONNECT SECT IAW MM 27-13-00. ACCOMPLISHED AILERON CONTROL CABLE RIGGING, & CABLE TENSION GOOD IAW MM 27-10-00. R & R LT AILERON ATTACH HARDWARE IAW MM 57-60-05, REV 7. ACCOMP CONTROL SURFACE & TRIM TRAVEL CHECK, 0.9:1 RATIO IAW MM 27-10-00, REV 19. CONTROL SURFACE TRAVEL CHKD GOOD AT 0.9:1 RATIO. ACCOMP ROLL SPOILER/SPEEDBRAKE TRAVEL CHECKS IAW MM 27-65-00. ACCOMP AILERON CONTROL SURFACE CHECK, 0.6:1 RATIO IAW MM 27-10-00. ACCOMP AUTOTHROTTLE OPS CHK IAW MM 22-30-00. VERIFIED ROLL SPOILER, SPEEDBRAKE CHECKS . VERIFIED AILERON CONTROL CHECK, 0.6:1 RATIO. ORIGINAL SUBMISSION DATE: 11/04/2024.

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