Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 28, 2025
Submitted
September 4, 2025
Operation
Air carrier
Aircraft
N299WN
Make and model
Boeing 7377H4
Aircraft serial
36614
Aircraft time
58,053 hours, 35,128 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 SUPPORT ZEE LOCATED BETWEEN STA727E TO STA767 AND RBL21 WL156 AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE AND FASTENERS LOCATED BETWEEN STA727 TO STA767 AND RBL21 WL156 AFT CARGO COMPARTMENT IAW B737-700 51-40-02; SRM 51-10-02 STEP 9 AND DWG # 146A7500 SHEET 113 REV-.

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