Service difficulty report · Skin · Boeing 7377H4

Difficulty date
September 17, 2019
Submitted
March 21, 2022
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
55,901 hours, 32,845 cycles
Part
Skin
Condition
Cracked
Location
Right Wing
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

RIGHT WING ZONE #2 LEADING EDGE FASTENER; HOLE #8(NUMBERED FROM THE PYLON TO THE FUSELAGE) HAS A CRACK INDICATION IN THE SKIN ONLY. VERIFIED WITH NDT INSPECTION OF HOLE PER BOEING NDT MANUAL PART 6 51-00-00 PROC.23 AND PART6; 53-30-00 PROC.4. HOLE IS CURRENTLY REAMED TO .262. / REPAIRED PER EA#1-757-16556; AND EO #14084-57. SEE BOTH EA AND EO FOR ALL COMPLETED WORK AND SIGN-OFF.

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