Service difficulty report · Support · Boeing 7377H4

Difficulty date
October 31, 2025
Submitted
December 4, 2025
Operation
Air carrier
Aircraft
N231WN
Make and model
Boeing 7377H4
Aircraft serial
32499
Aircraft time
65,270 hours, 39,217 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

CORRODED SUPPORT ZEE, WL 156 BETWEEN BS 727C + 10 INCHES - BS 787 + 10 INCHES, LBL 22, S25L IN THE AFT CARGO BAY. PERFORMED REPAIR ON THE SUPPORT, BS 727+4 TO BS 847 IAW SRM 53-00-53-2R-6, REPAIR 6.

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