Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 15, 2025
Submitted
July 21, 2025
Operation
Air carrier
Aircraft
N294WN
Make and model
Boeing 7377H4
Aircraft serial
32540
Aircraft time
57,920 hours, 34,928 cycles
Part
Support
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
9
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 STA727B TO STA727D AND LBL21 WL156 AFT CARGO COMPARTMENT. REMOVED CORROSION AND FOUND OUT LIMITS IAW B737-700 SRM 53-00-53-1A-2 STEP 4 A (2) (A) FIGURE 103;DETAIL D. AND REPLACED SPLICE SIDE PLATE; CLIP ZEE SUPPORT (2E/A); NEW ZEE CHANNEL SIDE PLATE AND FASTENERS LOC. BETWEEN BS727 TO BS847 AT LEVEL STR 25L AND LBL21 WL156 AFT CARGO COMPARTMENT IAW SRM 51-40-02; SRM 53-00-53-2R-6 REPAIR 6 FIGURE: 203 SHEET: 1 AND DWG: 146A7502 SHEET: 27 REV -.

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