Service difficulty report · Support · Boeing 7377H4

Difficulty date
May 7, 2026
Submitted
June 4, 2026
Operation
Air carrier
Aircraft
N253WN
Make and model
Boeing 7377H4
Aircraft serial
32511
Aircraft time
64,393 hours, 38,756 cycles
Part
Support
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
U
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 BTW BS 727B TO BS 787 LBL 21 WL 156.1 AT AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE LOCATED BTW BS 727 TO BS 847 LBL 21 WL 156.1 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9; DWG# 146A7502; SHEET 27; REV- AND DWG#146A7500; SHEET 85; REV A.

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