SDR S01427003

Service difficulty report · Flap · Boeing 747400

Difficulty date
January 31, 2001
Submitted
June 7, 2002
Operation
Air carrier
Make and model
Boeing 747400
Aircraft serial
24312
Engine
Pwa PW4056
Part
Flap
Condition
Damaged
Location
Lh Inbd
Component
Flap System · Boeing
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

B18275 AFT LANDING FOUND LH INBD FORE FLAP DAMAGED.C/A:1.LH INBD FORE FLAP, MIDFLAP, LINK, SEQUENCE CARRIAGE, FITTING AND FIX PANEL DAMAGED WERE FOUND. 2.SENT AOG TEAM TO BKK, DAMAGED PARTS WERE REPAIRED OR REPLD. A/C RETURNED TO TPE ON 2001/02/03. 3.MIDFLAP, ROD, AND SEQUENCE CARRIAGE DAMAGED WERE AGAIN FOUND DURING POST FLIGHT INSPECTION IN TPE. 4.AFT REMOVED FORE FLAP TRACK ACCESS PANEL, FOUND THE FRACTURED OF FORE FLAP TRACK IN AFT END. 5.EON 744-27-636630-0001/-0002R1 WERE ISSUED TO PERFORM ONE TIME INSPECTION OF INBD FORE FLAP TRACK DAMAGED. THE ROOT CAUSE OF THE SKEW CONDITION MAY BE FLAT-SPOTTING OF THE SEQUENCE CARRIAGE DETENT ROLLER, NOT THE FORE FLAP TRACK. DO THE NECESSARY MAINTENANCE INSPECTION A

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