Service difficulty report · Web · Boeing 73779P

Difficulty date
July 20, 2025
Submitted
August 14, 2025
Operation
Air carrier
Aircraft
N7826B
Make and model
Boeing 73779P
Aircraft serial
30035
Aircraft time
61,812 hours, 40,400 cycles
Part
Web
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
E
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 WEB LOWER SILL LOCATED BETWEEN BS 440 - 492.4 AND RBL 26, WL 156 AT FWD CARGO COMPARTMENT. REPLACED WEB LOWER SILL AND FASTENERS LOCATED BETWEEN STA440 TO STA492.4 AND RBL26 WL156 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND SRM 51-10-02-0G-0 PARAGRAPH 9 AND DWG # 143A8330 SHEET 15 REV:A.

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