SDR ABXA010584

Service difficulty report · Relay · Doug DC941

Difficulty date: November 13, 2001
Submitted: November 15, 2001
Operation: Air carrier
Aircraft: N951AX
Make and model: Doug DC941
Aircraft serial: 47616
Aircraft time: 48,490 hours, 40,584 cycles
System (JASC): 2740 · Stabilizer Control System
Part: Relay
Condition: Malfunctioned
Location: Horiz Stab
Stage of operation: DE
How discovered: O
Nature of condition: F
Precautionary procedure: K

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

What was found

DURING DESCENT, ALTERNATE LONGITUDINAL TRIM RAN AWAY. AUTOPILOT AND ALTERNATE TRIM CIRCUIT BREAKERS PULLED. COULD NOT DUPLICATE ON GROUND. REPLACED ALTERNATE TRIM BRAKE RELAY R20-14 AND UP AND DOWN RELAYS R20-12 AND R20-13 AS A PRECAUTION. OPS CHECKED GOOD IAW DC-9 MM 27-40-00-2.

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