# SDR SWAA2023081575984 - Type: Service difficulty report (as reported; unverified) - Difficulty date: July 6, 2023 - Submitted: August 15, 2023 - Operation: Air carrier - Aircraft: [N229WN](https://openairdocs.org/aircraft/N229WN), registered now - Make and model: Boeing 737-7H4 - Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs) - Aircraft serial: 32498 - Aircraft time: 58,665 hours, 35,024 cycles - System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320) - Part: Intercostal - Part number: UNKNOWN - Condition: Cracked - Location: Zn 200 Fus Top - Stage of operation: IN - How discovered: 9 - Nature of condition: O - Precautionary procedure: K - FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/) - Page: https://openairdocs.org/sdr/SWAA2023081575984 ## Discrepancy CRACKED INTERCOSTAL TOP ANGLE BS 380-400 LBL 1 WL 208.<[01] REMOVED CRACKED INTERCOSTAL TOP ANGLE BS 380-400 LBL 1 WL 208 PER SRM 51-40-02-0G-0 4.E.; SRM 51-40-02-0G-0 7.D.(6) & BOEING DRAWING 143A5400.;[02] RECEIVED A NEW INTERCOSTAL TOP ANGLE LOT # 1530554-2. LOCATED; DRILLED & DEBURRED HOLES IAW SRM 51-40-05-0G-0 FIGURE 3.; FIGURE 4. SHEET 6; & BOEING DRAWING 143A5400.
ALSO; OKAY TO INSTALL.;[03] UPON FURTHER INVESTIGATION PART HAS NO ALLOWABLE DAMAGE PER SRM 50-10-02-0G-0 STEP 9. AND WILL REQUIRE REPLACEMENT.;[04] UPON FURTHER INVESTIGATION PART HAS NO ALLOWABLE DAMAGE PER SRM 51-10-02-0G-0 STEP 9. AND WILL REQUIRE REPLACEMENT.;[05] VERIFIED CORRECTIVE ACTION #2 AND #4
OKAY TO INSTALL GIVEN;[06] MEASUREMENT TABLE VERIFIED;[07] INSTALLED NEW INTERCOSTAL TOP ANGLE AT BS 380-400 LBL 1 WL 208 PER SRM 51-40-02-0G-0 4.; 7. & BOEING DRAWING 143A5400.;[08] VERIFIED CORRECTIVE ACTION STEP 7.;[09] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.