# SDR SWAA2022110922144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2022
- Submitted: November 9, 2022
- Operation: Air carrier
- Aircraft: [N201LV](https://openairdocs.org/aircraft/N201LV), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29854
- Aircraft time: 59,586 hours, 35,374 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- 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/SWAA2022110922144

## Discrepancy

CRACKED INTERCOSTAL AT STA 312+4 AND 312+10; RBL 31; WL 208. / [01] VERIFIED APPLICABILITY OF SRM 53-30-53-01-2 FOR IDENTIFICATION AND SRM 53-30-53-1A-1 FOR ALLOWABLE LIMIT;[02] DAMAGE FOUND AT INTERCOSTAL BS 312+4 ; RBL 31; WL 208 P/N 141A5410-12 1' LONG; FOUND TO BE OUT OF LIMIT IAW SRM 53-30-53-1A-1 DET.4A(1); FIG 103;[03] VERIFIED CORRECTIVE ACTIONS 1; #2.;[04] REMOVED FWD CABIN INTERCOSTAL BS 312 TO BS 328 RBL 31 IAW SRM 51-40-02 ; LOCATED AND DRILLED NEW INTERCOSTAL IAW SRM 51-40-05 AND DWG # 141A5400 ; OK TO INSTALL;[05] INSTALLED NEW FWD CABIN INTERCOSTAL BS 312 TO BS 328 RBL 31 IAW SRM 51-40-02 AND DWG # 141A5400 .;[06] INSPECTED ACTION 4; OK TO INSTALL GIVEN PRIOR TO ACTION 5;[07] VERIFIED CORRECTIVE ACTION 5;;[08] VERIFIED MEASUREMENT TABLE

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