SDR UIEA200400101

Service difficulty report · Bearing · Boeing 747212B

Difficulty date: June 4, 2004
Submitted: June 25, 2004
Operation: Air carrier
Aircraft: N808MC
Make and model: Boeing 747212B
Aircraft serial: 21048
Engine: Ge CF650E
System (JASC): 5753 · Trailing Edge Flaps
Part: Bearing
Part number: 65B159592
Condition: Migrated
Location: Flap Track
Stage of operation: IN
How discovered: 9
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

D-CHECK, DURING MAINTENANCE INSPECTION, ELONGATION DAMAGE WAS FOUND AT OB TRAILING EDGE FLAP TRACK NR 8 MOVABLE FAIRING ASSEMBLY HINGE FITTING LUGS. OVERSIZED THE BORES. DYE PENETRANT THE BORES TO ENSURE DEFECT FREE CONDITION. REFINISHED, INSTALLED ONE PIECE REPAIR SLEEVE AND A NEW DESIGN TYPE BEARING.

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