SDR SWAA2023012682266

Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date: December 15, 2022
Submitted: January 26, 2023
Operation: Air carrier
Aircraft: N7713A
Make and model: Boeing 7377BD
Aircraft serial: 33919
Aircraft time: 57,380 hours, 30,141 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Cracked
Location: Zone 200
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

CRACKED INTERCOSTAL AT FWD WET AREA BS284 BL0.<[01] REMOVED CRACKED INTERCOSTAL AT FWD WET AREA BS 277 - 294 BL 0 IAW SRM 51-40-02;[02] LOCATED AND DRILLED NEW INTERCOSTAL AT FWD WET AREA BS 277 - 294 BL0 IAW SRM 51-40-05 AND DWG# 141A5410 ; OK TO INSTALL;[03] VERIFIED CORRECTIVE ACTION 2.;[04] INSTALLED NEW INTERCOSTAL AT FWD WET AREA BS277 - 294 BL0 IAW SRM 51-40-02 AND DWG# 141A5410;[05] VERIFIED CORRECTIVE ACTION 4 AND MEASUREMENT TABLE

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