Service difficulty report · Skin · Boeing 7377BD

Difficulty date
March 18, 2025
Submitted
April 29, 2025
Operation
Air carrier
Aircraft
N556WN
Make and model
Boeing 7377BD
Aircraft serial
33936
Aircraft time
43,601 hours, 25,576 cycles
Part
Skin
Condition
Cracked
Location
Zone 500
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

FOUND CRACK ON LEFT WING LOWER WING SKIN WS537.5+4.5-537.5+9 2' FROM SKIN LEADING EDGE<[01] ENTERED LOCATION OF CORROSION IN MEASUREMENTS IN THE N/A FIELDS -WS537.5+4.5-537.5+9; 2' FROM SKIN LEADING EDGE.;[02] CHANGED CORROSION LEVEL 2 TO 3.;[03] CHANGED CORROSION LEVEL 3 TO 2.;[04] REPAIRED IAW SWA EA 25-157-00732 (N556WN - CPZ - REPAIR - LEFT WING - LOWER INSPAR SKIN - CRACK AND CORROSION);[05] VERIFIED REPAIRED IAW SWA EA 25-157-00732 (N556WN - CPZ - REPAIR - LEFT WING - LOWER INSPAR SKIN - CRACK AND CORROSION)

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