SDR SWAA2026101993415

Service difficulty report · Shield · Boeing 7378H4

Difficulty date: September 9, 2026
Submitted: October 20, 2026
Operation: Air carrier
Aircraft: N8657B
Make and model: Boeing 7378H4
Aircraft serial: 42535
Aircraft time: 39,097 hours, 19,276 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 ON THE FWD CARGO BAY AFT SHIELD, BS 500+1 - 500+19, RBL 22, WL 156 HAD MULTIPLE AREAS AROUND NUT PLATE HOLES. THE FWD CARGO AFT SHIELD WAS REMOVED AND REPLACED BS 494 - 500A, RBL 22, WL 156 IAW SRM 51-40-02-0G-0, AND DWG 143A0080, REV-.

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