Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
November 25, 2022
Submitted
December 13, 2022
Operation
Air carrier
Aircraft
N274WN
Make and model
Boeing 7377H4
Aircraft serial
32529
Aircraft time
52,155 hours, 31,206 cycles
Part
Intercostal
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 WEB - INTERCOSTAL LOCATED BETWEEN BS 747 TO BS 767 AT LEVEL STRG 25R WL 156 AFT CARGO COMPARTMENT. REPLACED WEB- INTERCOSTAL AND FASTENERS LOCATED BETWEEN BS 747 TO BS 767 AT LEVEL STRG 25R WL 156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-01 AND SRM 51-40-02 AND DWG 146A7500 SHEET 48 REV -.

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