# SDR SWAA2023120518040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2023
- Submitted: December 5, 2023
- Operation: Air carrier
- Aircraft: [N8554X](https://openairdocs.org/aircraft/N8554X), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36993
- Aircraft time: 19,892 hours, 9,901 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/SWAA2023120518040

## Discrepancy

FLOOR SUPPORT CRACKED AT BS 390 LBL51 WL208.<[01] REMOVED FLOOR SUPPORT ON BS 390 LBL 51 WL208 PER SRM 51-40-02 AND ENGINEER DWG: 143A5400 ID: 0183 (AND 0182).;[02] COMPLETED ALL STEPS REMOVED CRACKED FLOOR SUPPORT AT BS 390 LBL51 WL208 PER SRM 51-40-02 COMPLETED MEASUREMENT TABLE LOCATED AND DRILLED NEW FLOOR SUPPORT AT BS 390 LBL51 WL208. PER SRM 51-40-04 BOEING DWG 143A5400 ID: 0183 (AND 0182).INSTALLED NEW FLOOR SUPPORT AT BS 390 LBL51 WL208 PER SRM 51-40-02 ENGINEER DWG: 143A5400 ID: 0183 (AND 0182).;[03] REJECT: PIN PROTRUSION TO HEIGHT ON FLOOR SUPPORT AT BS 390 LBL51 WL208 <BR> SEE TTG8Q00PJG9K;[04] CORRECTED REJECTION IN ACTION 3. WORK PERFORMED AND DOCUMENTED ON CCN: TTG8Q00PJG9K.;[05] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 4.;[06] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 2 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.
