# SDR SWAA2023030999927

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2023
- Submitted: March 9, 2023
- Operation: Air carrier
- Aircraft: [N218WN](https://openairdocs.org/aircraft/N218WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32489
- Aircraft time: 58,667 hours, 35,279 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023030999927

## Discrepancy

AFT PASSENGER COMPARTMENT FLOOR STRUCTURE - WET AREA INTERCOSTAL UPPER AREA;BL0 BETWEEN STA 927 TO STA 947 IS CRACKED<[01] REMOVED INTERCOSTAL AT AFT PASSENGER COMPARTMENT FLOOR STRUCTURE WET AREA INTERCOSTAL UPPER AREA BL0 BETWEEN STA. 927 TO STA 947;[02] VERIFIED REMOVAL OF INTERCOSTAL AT AFT PASSENGER COMPARTMENT FLOOR STRUCTURE WET AREA INTERCOSTAL UPPER AREA BL0 BETWEEN STA. 927 TO STA 947;[03] LOCATED AND DRILLED NEW INSTERCOSTAL AT AFT PASSENGER FLOOR STRUCTURE WET AREA INTERCOSTAL UPPER AREA BL0 BEWTEEN STA 927 TO 947 AS PER BOEING 737-700 SRM 51-40-05-0G-0;[04] VERIFIED STEP 3 ; OK TO INSTALL NEW INTERCOSTAL.;[05] INSTALLED INTERCOSTAL AT AFT PASSENGER COMPARTMENT FLOOR STRUCTURE WET AREA INSTERCOSTAL UPPER AREA BL0 BETWEEN STA 927 TO STA 947 AS PER BOEING 737-700 SRM 51-40-02-OG-0 AND DWG #147A5400;[06] VERIFIED STEP 5; PENDING FLOOR PNL LOCATION AND DRILLING OF ATTACHMENT TO FLOOR PNL.;[07] LOCATED AND DRILLED ANGLE HOLES ATTACHMENTS TO FLOOR PANEL AS PER REFERENCE SRM 51-40-05-0G-0.;[08] VERIFIED STEP 7 AS FINAL.

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