SDR SWAA2026072080575

Service difficulty report · Shield · Boeing 7377H4

Difficulty date: June 10, 2026
Submitted: July 21, 2026
Operation: Air carrier
Aircraft: N257WN
Make and model: Boeing 7377H4
Aircraft serial: 32515
Aircraft time: 65,106 hours, 39,315 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Shield
Condition: Corroded
Location: Zone 100
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 AFT CARGO BAY SHIELD FWD OF CARGO DOOR AROUND MULTIPLE NUT PLATE HOLES BS 767+3 - 794, RBL 22, WL 156. CORROSION ON AFT CARGO BAY SHIELD FWD OF CARGO DOOR; FOUND TO BE OUT OF LIMITS. REMOVED, REPLACED, AND INSTALLED NEW SHIELD IAW SRM 51-40-02-0G-0, SRM 51-40-05-0G-0, AND DWG 146A0081, REV -.

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