# SDR SWAA2023041318087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2023
- Submitted: April 13, 2023
- Operation: Air carrier
- Aircraft: [N8527Q](https://openairdocs.org/aircraft/N8527Q), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36946
- Aircraft time: 20,252 hours, 9,861 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/SWAA2023041318087

## Discrepancy

CRACKED INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 13; WL 208.<[01] UPDATE MEASUREMENT TABLE;[02] REMOVED INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 13; WL 208. IAW SRM 51-40-02-0G-0;[03] SRM 53-30-51-1A-1 IS APPLICABLE FOR ALLOWABLE DAMAGE;[04] VERIFIED CORRECTIVE ACTION 2 AND 3;[05] CRACK INTERCOSTAL UPPER ATTACH ANGLE WAS FOUND TO BE OUT LIMITS PER SRM 53-30-51-1A-1;[06] LOCATED DRILLED AND INSTALLED NEW ANGLE PER SRM 51-40-05-0G-0 AND SRM 51-40-02-0G-0;[07] CORRECTION TO STEP 6 LOCATED DRILLED NEW ANGLE PER SRM 51-40-05-0G-0 OK TO INSTALL.;[08] VERIFIED CORRECTIVE ACTION 6 AND 7.<BR>OK TO INSTALL;[09] INSTALLED NEW INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 13; WL 208; PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SRM 53-30-51-1A-1 AND PER DWG 143A5400 REV :-.;[10] CORRECTIVE ACTION 9 SHOULD READ <BR>INSTALLED NEW INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 13; WL 208; PER SRM 51-40-02-0G-0 AND BOEING DWG 143A5400;[11] VERIFIED CORRECTIVE ACTION STEPS 9 AND 10.;[12] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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