SDR SWAA2025112632404

Service difficulty report · Support · Boeing 7377H4

Difficulty date: November 6, 2025
Submitted: November 26, 2025
Operation: Air carrier
Aircraft: N944WN
Make and model: Boeing 7377H4
Aircraft serial: 36659
Aircraft time: 50,834 hours, 31,078 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 727B TO BS767 AT LEVEL RBL22 AND WL 156 AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE LOCATED BETWEEN BS 727+4 TO BS 767, RBL 22, WL 156 IAW 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 146A7500 SHEET 157, REV -.

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