Service difficulty report · Skin · Boeing 757251

Difficulty date
April 18, 2019
Submitted
April 22, 2019
Operation
Air carrier
Aircraft
N554NW
Make and model
Boeing 757251
Aircraft serial
26501
Aircraft time
49,847 hours, 21,927 cycles
Part
Skin
Condition
Cracked
Location
Lt Wing
Stage of operation
IN
How discovered
E
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

DURING NDT INSPECTION, A CRACK WAS FOUND AT FASTENER HOLE NR 3 ON THE LT WING UPPER SKIN, ABOVE PYLON FWD ATTACHMENT AREA. FASTENER HOLE NR 3 WAS REPAIRED IAW ETI-57-19-037 REV. 6, AND ER/A 577350-14 AD REV ORIG.