SDR SWAA2025120129129

Service difficulty report · Support · Boeing 7377H4

Difficulty date: October 27, 2025
Submitted: December 1, 2025
Operation: Air carrier
Aircraft: N234WN
Make and model: Boeing 7377H4
Aircraft serial: 32502
Aircraft time: 64,044 hours, 38,686 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
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 SUPPORT ZEE LOCATED BS 500A TO BS 500D, LBL 24 AND WL156 AT FWD CARGO COMPARTMENT. REPLACED SUPPORT ZEE AND FASTENERS LOCATED BS 480 TO BS 500D, LBL24 AND WL156 AT FWD CARGO COMPARTMENT IAW SRM 51-40-02, SRM 51-10-02 ITEM 9, SRM 53-00-53-2R-6, REPAIR 6, PARAGRAPH 4, & DWG 143A7500, SHEET 58, REV -.

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