# SDR SWAA2023080977911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2023
- Submitted: August 9, 2023
- Operation: Air carrier
- Aircraft: [N965WN](https://openairdocs.org/aircraft/N965WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36677
- Aircraft time: 38,362 hours, 23,630 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: UNKNOWN
- 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/SWAA2023080977911

## Discrepancy

CRACKED INTERCOSTAL AT PASSENGER CABIN BS380+14 BL0 WL208.<[01] FOUND CRACK ONLY AT UPPER ANGLE OF INTERCOSTAL. SRM DOES NOT HAVE ALLOWABLE DAMAGE LIMITS FOR CRACKED ANGLE. OUT OF LIMITS. REMOVE AND REPLACE IAW SRM 51-10-02-0G-0 STEP #9.;[02] REMOVED ANGLE FROM INTERCOSTAL AT PASSENGER CABIN BS 380- BS 400 BL 0 WL 208 PER SRM 51-40-02-0G-0.;[03] RECEIVED FROM TOOL ROOM NEW ANGLE P/N 143A5410-170 S/N BN 392603. LOCATED AND DRILLED NEW ANGLE PER SRM 51-40-05-0G-0 AND DWG 143A5400. REQUEST OK TO INSTALL.;[04] VERIFIED CORRECTIVE ACTION #3.<BR>VERIFIED OK TO INSTALL NEW INTERCOSTAL.;[05] INSTALLED NEW ANGLE AT PASSENGER CABIN BS 380- BS 400 BL 0 WL 208 PER SRM 51-40-02-0G-0 AND DWG 143A5400.;[06] VERIFIED CORRECTIVE ACTION #5.;[07] VERIFIED MEASUREMENTS.

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