SDR S03427088

Service difficulty report · Structure · Boeing 747400

Difficulty date: August 21, 2003
Submitted: October 16, 2003
Operation: Air carrier
Make and model: Boeing 747400
Aircraft serial: 29219
Aircraft time: 23,538 hours, 3,932 cycles
Engine: Pwa PW4056
System (JASC): 5753 · Trailing Edge Flaps
Part: Structure
Condition: Damaged
Location: Rt Te Flap
Stage of operation: IN
How discovered: V
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

WALK AROUND CHECK FOUND RT WING OB TRAILING EDGE FLAP WAS DAMAGED. RT OB MID AND AFT FLAP DAMAGED DUE TO OB SPINDLE DISCONNECTED. RT OB AFT FLAP ABOUT 4 FT LONG MEASURED FROM OB EDGE. RT OB MID FLAP ABOUT 5 FT LONG MEASURED FROM OB EDGE. ONE ROD BETWEEN MID FLAP OB AND AFT FLAP OB WAS BROKEN. ONE ROD BETWEEN OB FLAP CARRAGE AND MID FLAP OB WAS BENT. REPLACED THE DAMAGE PARTS WITH PARTS REMOVED FROM B18203. THE DAMAGED SPINDLE ASSY WAS SENT TO MFG FOR INVESTIGATION. AWAIT THE INVESTIGATION REPORT.

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