SDR SWAA031762

Service difficulty report · Motor · Boeing 7377H4

Difficulty date
August 3, 2003
Submitted
August 13, 2003
Operation
Air carrier
Aircraft
N760SW
Make and model
Boeing 7377H4
Aircraft serial
27874
Aircraft time
13,348 hours, 7,738 cycles
Part
Motor
Part number
4221T1003
Part serial
E0160
Condition
Faulty
Location
Rt Mlg W/W
Stage of operation
DE
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

FLAPS STAYED AT 0 WHEN SELECTED. ALTERNATE FLAPS WERE USED TO GET FLAPS TO 10, ALTERNATE T/E FLAP DRIVE CIRCUIT BREAKER TRIPPED. RESET CB, ATTEMPED MORE FLAPS AND CB CONTINUED TO TRIP. REMOVED AND REPLACED ALTERNATE FLAP DRIVE MOTOR PER MM. OPS CK'D FLAPS WITH HYDRAULICS AND WITH ALTERNATE FLAP DR MOTOR PER MM.

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