# SDR SWAA2023020792786

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2023
- Submitted: February 7, 2023
- Operation: Air carrier
- Aircraft: [N209WN](https://openairdocs.org/aircraft/N209WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32484
- Aircraft time: 59,684 hours, 35,490 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: NOTREPORTED
- Part serial: NOTREPORTED
- 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/SWAA2023020792786

## Discrepancy

CRACK ON PASSENGER CABIN FLOOR INTERCOSTAL AT BS 500D+10 BL 0.(MARKED)<[01] DAMAGE FOUND AT PASSENGER CABIN FLOOR INTERCOSTAL UPPER ANGLE FOUND TO BE OUT OFF LIMIT DUE TO NO LIMIT ON SRM PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-40-02-0G-0. PAR. 9C;[02] REMOVED PASSENGER CABIN FLOOR INTERCOSTAL UPPER ANGLE BS-500D-TO-BS-520; BL-0; WL 208; IAW SRM 51-40-02-0G-0;[03] VERIFIED CORRECTIVE ACTION 1 AND 2. VERIFIED MEASUREMENT TABLE;[04] LOCATED AND DRILLED NEW ANGLE PER REF SRM 51-40-02-0G-0 <BR><BR>OK TO INSTALL NEW ANGLE;[05] CORRECTION ENTRY NBR 4: REF SRM 51-40-05-0G-0;[06] VERIFIED CORRECTIVE ACTION 4 AND 5. OK TO INSTALL UPPER INTERCOSTAL ANGLE.;[07] INSTALLED NEW ANGLE AT PASSENGER CABIN FLOOR INTERCOSTAL AT BS 500D+10 BL 0. PER REF SRM 51-40-02-0G-0 AND DWG NBR 143A5400;[08] VERIFIED CORRECTIVE ACTION 7;[09] VERIFIED MEASUREMENT TABLE- WORKSCOPE COMPLETE.

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