SDR SWAA2025120129121

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 ON SUPPORT ZEE LOCATED BTW BS 727B TO BS 767, RBL22 AND WL156 AT AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE LOCATED BTW BS 727B TO BS 767, RBL22 AND WL156 AT AFT CARGO COMPARTMENT IAW SRM 51-10-02, ITEM 9, SRM 51-40-02, & DWG 146A7500 SHEET 85 REV A.

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