Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 2, 2026
Submitted
March 27, 2026
Operation
Air carrier
Aircraft
N923WN
Make and model
Boeing 7377H4
Aircraft serial
36627
Aircraft time
57,855 hours, 35,265 cycles
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 FWD CARGO BAY AFT LOWER BULKHEAD SUPPORT HAS MULTIPLE AREAS AROUND FASTENER HOLES BS500D LBL21 TO RBL21. REMOVED AND INSTALLED NEW FWD CARGO BAY AFT LOWER BULKHEAD SUPPORT IAW SRM 51-40-02-0G-0 AND DWG 143A7902 REV:-.

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