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 STA727A TO STA727C LBL21 WL156 AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE LOCATED BETWEEN STA727 TO STA787 AND LBL21 WL156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02; SRM 53-00-53?2R-6 REPAIR 6 AND DWG 146A7500 SHEET 113 REV-.. FAULT RESOLVED ON OTHER FAULT SEE TTG8Q014912U

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