SDR UPS98827118

Service difficulty report · Auto Pilot Panel · Doug DC873F

Difficulty date: July 6, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N803UP
Make and model: Doug DC873F
Aircraft serial: 46073
System (JASC): 2210 · Autopilot System
Part: Auto Pilot Panel
Condition: Failed
Location: Cockpit
Stage of operation: CL
Nature of condition: O
Precautionary procedure: A, J

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

What was found

AUTOPILOT ROLL FUNCTION WOULD NOT ENGAGE, AIR ABORT, DUMPED 45,000 POUNDS OF FUEL, FUEL DUMP WIRE HAS BEEN CUT. FOUND NO VOLTAGE AT SERVO CLUTCH CONN. REMOVED AND REPLACED AUTO PILOT PANEL PER MM 22-10-02 OPS CK'D SYS PER 2200 SYS. CHK'S GOOD, P/N ON 622-6208-503 S/N ON 1140 OFF 622-6208-503 OFF 974.

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