# SDR SWAA2021091500116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2021
- Submitted: September 15, 2021
- Operation: Air carrier
- Aircraft: [N447WN](https://openairdocs.org/aircraft/N447WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33720
- Aircraft time: 58,733 hours, 34,620 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Bs 500
- 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/SWAA2021091500116

## Discrepancy

INTERCOSTAL CRACKED AT FWD CARGO BAY BS 500 LBL 24 WL 156 ; / [01] REMOVED INTERCOSTAL AT FWD CARGO BAY BS 500 LBL 24 WL 156 IAW SRM 51-40-02-0G-0-A00729; [02] CORRECTION MEASURES; [03] CORRECTED MEASUREMENTS SECTION; [04] LOCATED AND DRILLED NEW INTERCOSTAL AT FWD CARGO BAY BS 500 LBL 24 WL 156 PER SRM 51-40-05-0G-0; [05] VERIFIED LOCATION ADN DRILL UP OF INTERCOSTAL PER SRM 51-40-05; [06] OK TO INSTALL NEW INTERCOSTAL ON FWD CARGO BAY BS 500 LBL 24 WL 156 PER SRM 51-40-02-0G-0; [07] OK TO INSTALL INTERCOSTAL; [08] INSTALLED INTERCOSTAL AT FWD CARGO BAY BS 500 LBL 24 WL 156 PER SRM 51-40-02-0G-0; [09] VERIFIED CORRECTIVE ACTION ENTRY 8; [10] VERIFIED CARD COMPLETE

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