# SDR SWAA2023101396655

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2023
- Submitted: October 13, 2023
- Operation: Air carrier
- Aircraft: [N8311Q](https://openairdocs.org/aircraft/N8311Q), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 38808
- Aircraft time: 37,275 hours, 17,282 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/SWAA2023101396655

## Discrepancy

CRACK ON INTERCOSTAL WEB FLOOR STRUCTURE LOCATED BTW BS 500I TO BS 520 BL 0 AT PASSENGER CABIN 2023-550041 CRACK ON ANGLE FLOOR STRUCTURE LOCATED BTW BS 500I TO BS 520 BL 0 AT PASSENGER CABIN<[01] REPLACED ANGLE LOC. INTERCOSTAL WEB FLOOR STRUCTURE LOCATED BTW BS 500I TO BS 520 BL 0 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND 143A5400 SHEET 115 REV A SEE INDIVIDUAL SIGN OFF BELOW.;[02] CORRECTED STEP 1<BR>REPLACED ANGLE LOC. INTERCOSTAL WEB FLOOR STRUCTURE LOCATED BTW BS 500I TO BS 520 BL 0 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 SHEET 115 REV A SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED ANGLE LOC. INTERCOSTAL WEB FLOOR STRUCTURE LOCATED BTW BS 500I TO BS 520 BL 0 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 SHEET 115 REV A; RII. SEE INDIVIDUAL SIGN OFF BELOW.

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