SDR SWAA2023060545704

Service difficulty report · Structure · Boeing 7377H4

Difficulty date: May 4, 2023
Submitted: June 5, 2023
Operation: Air carrier
Aircraft: N283WN
Make and model: Boeing 7377H4
Aircraft serial: 36610
Aircraft time: 52,109 hours, 31,408 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Structure
Condition: Cracked
Location: Zn 100 Fus Lower
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

CRACK WEB INTERNAL STRUCTURE INBOARD FAN COWL ON ENGINE 1 2023-299384<[01] REPLACED WEB INTERNAL STRUCTURE AND FASTENERS LOCATED ON INBOARD FAN COWL ON ENGINE 1 IAW B737-700 SRM 51-40-02 AND GOODRICH AEROSTRUCTURES CMM 71-13-3. SEE INDIVIDUAL SIGN OFF BELOW;[02] REPLACED WEB INTERNAL STRUCTURE AND FASTENERS LOCATED ON INBOARD FAN COWL ON ENGINE 1 IAW B737-700 SRM 51-40-02 AND GOODRICH AEROSTRUCTURES CMM 71-13-30 SEE INDIVIDUAL SIGN OFF BELOW

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