SDR SWAA2025071080363

Service difficulty report · Shield · Boeing 7377BD

Difficulty date: June 10, 2025
Submitted: July 10, 2025
Operation: Air carrier
Aircraft: N7721E
Make and model: Boeing 7377BD
Aircraft serial: 34479
Aircraft time: 61,888 hours, 33,237 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 SHIELD WEB LOCATED BTW BS767 TO BS794.3 WL156 RBL21 AT AFT CARGO COMPARTMENT. REPLACED SHIELD WEB ASSY LOCATED BTW BS767 TO BS794.3 WL156 RBL21 AT AFT CARGO COMPARTMENT IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, DWG 146A0081, SHEET 31, REV -, AND DWG 146A8123, SHEET, 16, REV - . ITEM RII.

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