SDR EIA2007033

Service difficulty report · Flap Track · Boeing 747273C

Difficulty date
February 22, 2007
Submitted
March 2, 2007
Operation
Air carrier
Aircraft
N471EV
Make and model
Boeing 747273C
Aircraft serial
20651
Aircraft time
96,101 hours, 22,811 cycles
Part
Flap Track
Condition
Corroded
Location
T/E 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

FOUND NR 6 FLAP TRACK WITH CORROSION ON SURFACE BETWEEN FITTING AND WING SKIN AT REAR SPAR WBL 553. OVERSIZE HOLE IN BATHTUB FITTING AND LOWER WING SKIN, PERFORM HFEC TO CONFIRM NIL DEFECTS. FABRICATE NEW REPAIR BUSHING, INSTALL NEW REPAIR BUSHING AND FASTENERS.