# SDR SWAA2021061673418

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2021
- Submitted: June 16, 2021
- Operation: Air carrier
- Aircraft: [N7828A](https://openairdocs.org/aircraft/N7828A), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 33697
- Aircraft time: 60,327 hours, 30,541 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Cracked
- Location: Bs 312-328 Rbl30
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021061673418

## Discrepancy

FWD WET AREA BETWEEN STA 312 TO 328 RBL 30 INTERCOSTAL HOLE HAS CRACK ; / IAW B737-7 SRM;INSPECTED INTERCOSTAL INSTALLATION;INSTALLED NEW INTERCOSTAL FWD AREA BETWEEN STA 312 TO328 IN REFB737-700 SRM 51-40-02-0G-0 DOCUMENT 141A5400;LOCATED AND DRILLED NEW INTERCOSTAL;TREATED AND PRIME HOLES IN RED B 737-700 SRM 51-40-05-0G-0 AND SRM 51-20-01-0G-0;OK TO INSTALL INTERCOSTAL;REMOVED & REPLACED INTERCOSTAL BETWEEN STA.312 TO STA.328; RBL30; REF. B737-7 SRM 51-40-05-0G-0; 51-40-02-0G-0; 51-20-01-0G-0; AND DRAWING 141A5400;REMOVED INTERCOSTAL AT FWD AREA BETWEEN STA 312 TO 328 RBL 30 IN REF 51-40-02-0G-0;VERIFIED REMOVAL AND INSPECTED AREA NO DAMAGES;VERIFIED LOCATED HOLES;VERIFIED TREATED AND PRIMED HOLES

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