SDR SWAA2022020755581

Service difficulty report · Intercostal · Boeing 737*

Difficulty date: December 22, 2021
Submitted: February 7, 2022
Operation: Air carrier
Aircraft: N454WN
Make and model: Boeing 737*
Aircraft serial: 29851
Aircraft time: 59,747 hours, 35,307 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Cracked
Location: Fuselage
Stage of operation: UK
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

FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED @ FASTENER'S HOLE BL-0 BETWEEN STA 277 AND 294.2 ; / [01] REMOVED INTERCOSTAL AT FWD CABIN WET AREA BL -0 STA 227 AND 294 .2 B737-700 SRM 51-40-02-0G-0; [02] LOCATED AND DRILLED NEW INTERCOSTAL B737-700 SRM 51-10-02-0G-0; [03] CERTIFIED.; [04] VERIFIED DRILLING.<BR>OK TO INSTALL NEW INTERCOSTAL.; [05] INSTALLED INTERCOSTAL AT FWD WET AREA BL -0 STA 277 AND 294.2 B737-700 SRM 51-40-02-0G-0; [06] VERIFIED INSTALLATION.