SDR SWAA2025121233030

Service difficulty report · Support · Boeing 7377H4

Difficulty date: November 8, 2025
Submitted: December 12, 2025
Operation: Air carrier
Aircraft: N917WN
Make and model: Boeing 7377H4
Aircraft serial: 36624
Aircraft time: 57,012 hours, 34,522 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

CORRODED SUPPORT ZEE, LOCATED BETWEEN BS 727C - 787, LBL 22, WL156 IN THE AFT CARGO BAY. REPAIRED THE SUPPORT ZEE BS 727 - 847, LBL 22, WL156 IAW SRM 53-00-53-2R-5, REPAIR 5, SRM 51-10-02, ITEM 9, DWG 146A7500, SHEET 113, REV -, & DWG: 146A7502, SHEET 27, REV - .

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