SDR EE4Y2025090423036

Service difficulty report · Web · Boeing 737852

Difficulty date: September 4, 2025
Submitted: September 4, 2025
Operation: General aviation
Filed by: E27R173O
Copper State Turbine Engine Company
Aircraft: N3159G
Make and model: Boeing 737852
Aircraft serial: 35119
Aircraft time: 59,797 hours, 24,803 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Cracked
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

DURING THE ACCOMPLISHMENT OF 737-26-550-02_P1-VISUAL-INSP-LF/001 NAC TASK CARD, WAS FOUND IN THE LOWER FUSELAGE R/H SIDE, CENTER WING REAR SPAR VAPOR BARRIER WEB WITH CRACKS, AT STA 663, BTWN RBL 31.83 AND RBL54.21. THE CONDITION REPORTED WAS REPAIRED I//A/W B737-800 SRM 57-10-10 REPAIR 2 PARAG. 2C AND SRM 51-70-04 REPAIR 10 REV. 85 DTD 07-10-2025. UNDER JOB A1Q187 NRI 1-55