Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
March 12, 2025
Submitted
March 31, 2025
Operation
Air carrier
Aircraft
N435WN
Make and model
Boeing 7377H4
Aircraft serial
32455
Aircraft time
72,183 hours, 43,264 cycles
Part
Stiffener
Condition
Corroded
Location
Zone 200
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

CORROSION ON PRESSURE DECK STIFFENER AT STA 685+1.5; WL 200; RBL 66.<[01] REFER TO FAULT TTG8Q00Z7MFP WHERE EA 25-153-00668 WAS ADDED AS A SUBTASK.;[02] REPAIRED PRESSURE DECK STIFFENER AT STA 685+1.5; WL 200; RBL 66 IAW EA 25-153-00668. REFERENCE FAULT TTG8Q00Z7MFP WHERE ENGINEERING IS ATTACHED;[03] CORRECTIVE ACTION ITEM 2 VERIFIED; CARD COMPLETE.

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