Service difficulty report · Drive Assy · Doug MD83

Difficulty date
August 22, 2004
Submitted
August 25, 2004
Operation
Air carrier
Aircraft
N831LF
Make and model
Doug MD83
Aircraft serial
53050
Aircraft time
40,656 hours, 29,934 cycles
Engine
Pwa JT8D219
Part
Drive Assy
Part number
95606
Part serial
2501
Condition
Failed
Location
Horizontal Stab
Part time
24,966 hours, 16,234 cycles
Stage of operation
AP
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

CAPTAIN REPORTED THAT DURING FINAL APPROACH HORIZONTAL STABILIZER FAILED, CIRCUIT BREAKERS D-9 AND D-11 WERE ACTIVATED AND FAIL CONTINUE WITH 2 DEGREES NOSE DOWN AND 3 DEGREES NOSE UP. SCREW GEAR, RELAYS AND WIRING AFTER ACCESSORIES COMPARTMENT WERE CHECKED AND NO DAMAGES WERE FOUND. DURING REVISION THE PRIMARY WAS DETECTED WITH DAMAGE. IT AND THE TRIM GEAR BOX WERE REPLACED IAW MM 27-40-01, TEST CORRECT. HORIZONTAL STABILIZER WAS OPERATED WITH AN ALTERNATE MOTOR, ALL CORRECT.

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