# SDR SWAA2023071170754

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2023
- Submitted: July 11, 2023
- Operation: Air carrier
- Aircraft: [N8543Z](https://openairdocs.org/aircraft/N8543Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63587
- Aircraft time: 19,500 hours, 9,726 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- 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/SWAA2023071170754

## Discrepancy

CRACKED INTERCOSTAL UPPER FLANGE BS 380-400 LBL 14 WL 208.<[01] NO ENTRIES FOUND ON SRM FOR PASSENGER CABIN FLOOR SUPPORT BS 380-400; LBL 14; WL 208 PART TO BE REMOVED AND REPLACED PER SRM 51-10-02-0G-0 PAR 9.C;[02] REMOVED PASSENGER CABIN FLOOR SUPPORT BS 380-400; LBL 14; WL 208 I.A.W SRM 51-40-02-0G-0;[03] VERIFIED CORRECTION ACTION ITEM 2; AND MEASUREMENT TABLE.;[04] RECEIVED NEW INTERCOSTAL UPPER FLANGE FROM OSS FAB;HT;DYE PEN ON COSTUMER RO #926330-SWA;[05] LOCATED;DRILLED;APPLIED CHEMICAL CONVERSION COAT AND PRIMED INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 14; WL 208; PER SRM 51-40-05-0G-0; SRM 53-30-51-1A-1 AND PER DWG 143A5400 OK TO INSTALL;[06] VERIFIED CORRECTIVE ACTIONS 4 AND 5<BR>OK TO INSTALL INTERCOSTAL BS 380-400 LBL 14 WL 208 GIVEN;[07] INSTALLED NEW INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 14; WL 208; PER SRM 51-40-02-0G-0 AND BOEING DWG 143A5400 COMPLETED TASK;[08] VERIFIED CORRECTIVE ACTIONS 7 AND MEASUREMENT TABLE.

---
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.